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CVE-2026-74761: Apache ActiveMQ Broker, Apache ActiveMQ All, Apache ActiveMQ: Spoofing of RemoveSubscription clientId

Apache ActiveMQ CVE-2026-74761: moderate clientId spoofing in RemoveSubscription handling, affecting Broker, All and apache-activemq, fixed in 6.3.2 and 5.19.11.

The Apache ActiveMQ team disclosed CVE-2026-74761, a moderate-severity spoofing issue in the handling of RemoveSubscription clientId. Affected components include ActiveMQ Broker (activemq-broker), ActiveMQ All (activemq-all) and Apache ActiveMQ in versions 6.0.0 before 6.3.2 and 5.x before 5.19.11. The flaw could allow a client to spoof another client's clientId when removing subscriptions. Users should upgrade to the 6.3.2 or 5.19.11 release lines or later.

oss-security · 7d agoVulnerabilityCVE-2026-747611

CVE-2026-34486: Apache Tomcat EncryptInterceptor Fail-Open Bypass

Technical analysis shows CVE-2026-34486 is a one-line fail-open regression in Tomcat Tribes enabling unauthenticated RCE via Java deserialization.

CVE-2026-34486 is a fail-open regression in Tomcat's Tribes EncryptInterceptor, introduced while fixing the CVE-2026-29146 padding-oracle flaw; Apache rated it Important and NVD scores it 7.5 High. Decryption failures are now forwarded to an unfiltered ObjectInputStream, and public PoC repositories demonstrate unauthenticated RCE on default port 4000 when clustering, the EncryptInterceptor, a reachable receiver and deserialization gadgets are all present. Affected releases 9.0.116, 10.1.53 and 11.0.20 are fixed in 9.0.117, 10.1.54 and 11.0.21; Tomcat 8.5 is unaffected.

Web discovery (articles for new exploits & KEV entries) · 7d agoExploit / PoCCVE-2026-34486CVE-2026-291461

CVE-2026-34486: Apache Tomcat Auth Bypass Vulnerability

SentinelOne details CVE-2026-34486, an Apache Tomcat EncryptInterceptor bypass exposing unencrypted cluster communications, with patches and workarounds available.

CVE-2026-34486 stems from an incomplete fix for CVE-2026-29146, letting network-positioned attackers bypass the EncryptInterceptor and read plaintext Tomcat cluster traffic, including session and application data between nodes. Affected versions 9.0.116, 10.1.53 and 11.0.20 are fixed in 9.0.117, 10.1.54 and 11.0.21. Workarounds include network-level encryption such as IPsec or VPN tunnels and isolating cluster communications to secured network segments.

Web discovery (articles for new exploits & KEV entries) · 7d agoVulnerabilityCVE-2026-34486CVE-2026-291462

CVE-2026-86792: Apache Airflow Apache Kafka provider: Connection-editor remote code execution on the Scheduler via Kafka connection callback configuration

Apache Airflow Kafka provider 1.15.0 before 2.0.0 resolves unvalidated dotted-path strings into Python callables, enabling Scheduler RCE.

CVE-2026-86792 (moderate) affects apache-airflow-providers-apache-kafka versions 1.15.0 before 2.0.0. Dotted-path strings in a Kafka connection's extra field are resolved into Python callables via import_string with no allowlist, then invoked by the confluent-kafka client. This allows someone with Kafka connection configuration access to achieve remote code execution on the Airflow Scheduler; upgrading to 2.0.0 resolves it.

oss-security · 17h agoVulnerabilityCVE-2026-867921

Gaming the system: how a Chinese-speaking actor turned Brazilian government sites into an SEO weapon

Check Point identifies Chinese-speaking group Gambling Goblin hijacking Brazilian government domains via malicious Apache modules for SEO-manipulated gambling phishing.

Check Point Research tracks a sustained campaign since mid-2025 against Brazilian government and educational organizations by Gambling Goblin, a Chinese-speaking cybercrime cluster linked to Earth Berberoka. Attackers compile and install malicious Apache modules that silently reverse-proxy visitors to phishing pages impersonating Google Play, Microsoft Store, and Amazon, chaining compromised high-reputation domains to inflate search rankings. The group deploys a heavily obfuscated Linux toolkit including DownPro, AlphaAgent, oRAT, a 3snake-based credential stealer, and SSH brute-forcers, with parallel phishing networks localized for Vietnamese, Spanish, and English victims.

Check Point Research · 14d agoThreat actor

Apache Syncope Vulnerabilities Allow Attackers to Execute Malicious Code and Bypass Controlsnew

Apache Syncope fixed three flaws enabling SQL injection, Groovy sandbox escape, and JWT token theft to impersonate higher-privileged users.

Apache Syncope, an open-source identity management and access governance platform, disclosed CVE-2026-82232, a stacked-query SQL injection in the Task search sort parameter; CVE-2026-77147, a Groovy sandbox escape via malicious Command classes; and CVE-2026-73178, retrieval of signed JWT access tokens via REST enabling impersonation of more privileged users. All three flaws require administrator-level entitlements to exploit and affect Syncope 3.0, 4.0, and 4.1 releases. Fixes shipped in versions 4.0.8 and 4.1.3, with researchers Alon Galili and n0mi1k credited.

Cyber Security News · 20m agoVulnerability 3 sourcesCVE-2026-82232CVE-2026-77147CVE-2026-73178

PoisonedRefresh: A Fileless Linux Rootkit That Injects PHP Web Shells Into F5 BIG-IP APM Server Memory

Sophos details PoisonedRefresh, a fileless Linux rootkit that injects a memory-resident PHP web shell into F5 BIG-IP APM after exploitation of CVE-2025-53521.

On September 8, 2026, SophosLabs published an analysis of Linux/Agnt-IC (dubbed PoisonedRefresh by ESET) found in compromised F5 BIG-IP Access Policy Manager environments. Initial access leverages CVE-2025-53521, an unauthenticated RCE in BIG-IP APM when an access policy is configured on a virtual server; F5 confirmed exploitation and links the activity to cluster c05d5254, while Shadowserver observed 795 exposed vulnerable endpoints. A first stage hidden in a modified umount binary modifies /usr/sbin/httpd and SELinux configuration and embeds itself in BIG-IP upgrade images for persistence. The second-stage ELF intercepts __libc_start_main, hooks apr_dso_load, and injects a PHP web shell into libphp memory via mmap manipulation, leaving no disk artifacts, and exposes a /bin/bash shell via a local UNIX domain socket instead of a TCP port.

Security Affairs · 7d agoMalware in the wildCVE-2025-53521

Apache Superset SQL Injection Flaw Gets Public PoC Exploit

A public Python proof-of-concept exploit was released for CVE-2026-23980, an authenticated error-based SQL injection flaw in Apache Superset before 6.0.0.

A public proof-of-concept exploit repository now targets CVE-2026-23980, an error-based SQL injection affecting Apache Superset versions from 0.0.0 up to but not including 6.0.0. An authenticated user with read access can inject SQL through the sqlExpression or where parameters, potentially reaching business, customer, and security data depending on database configuration and privileges. Apache disclosed the flaw in February and urges upgrading to Superset 6.0.0; compensating controls include least-privilege database accounts, network restrictions, and log monitoring.

GBHackers · 4h agoExploit / PoC 2 sourcesCVE-2026-23980

CVE-2026-84179: Apache Storm Nimbus, Apache Storm UI: Disclosure of Unredacted Merged Daemon Configuration via the Topology Page

Apache Storm Nimbus/UI 3.0.0 leaks unredacted merged daemon configuration through the topology page, exposing secrets to UI users.

CVE-2026-84179 (severity: important) affects Apache Storm Nimbus (storm-server) and Storm UI (storm-webapp) versions 3.0.0 before 3.1.0. The getTopologyPageInfo function merged the Nimbus daemon configuration with topology configuration and returned it unredacted in the topology_conf field of TopologyPageInfo, which the Storm UI copied verbatim. This can expose sensitive daemon configuration values to topology users.

oss-security · 2d agoVulnerabilityCVE-2026-84179

CVE-2026-82434: Apache Storm Nimbus, Apache Storm Client: Disclosure of the Topology ZooKeeper Credential to Read-Only Users and to Logs

Apache Storm Nimbus and Client expose ZooKeeper topology credentials to read-only users and logs, fixed in 3.1.0.

CVE-2026-82434 affects Apache Storm Nimbus (storm-server) and Storm Client (storm-client) versions 3.0.0 before 3.1.0. When ZooKeeper authentication is configured, Storm retains storm.zookeeper.topology.auth.payload in the topology configuration because workers need it, but Nimbus serves that configuration verbatim to callers holding only read-only access. The credential also leaks into logs.

oss-securityupdated · 2d agofirst · 2d agoVulnerability 2 sourcesCVE-2026-824342· 1 read

CVE-2026-82433: Apache Storm Nimbus, Apache Storm UI: Disclosure of Unredacted Daemon Configuration via Nimbus and the UI

Apache Storm Nimbus and UI return unredacted daemon configuration, including ZooKeeper and keystore secrets, to authorized users.

CVE-2026-82433 (rated moderate) affects Apache Storm Nimbus (storm-server) and Storm UI (storm-webapp) versions 3.0.0 before 3.1.0. The getNimbusConf operation returned the complete daemon configuration without redaction after only a user-level authorization check. Where configured, the response includes storm.zookeeper.auth.payload plus keystore and related secrets.

oss-security · 2d agoVulnerabilityCVE-2026-82433

CVE-2026-67593: Apache Artemis, Apache ActiveMQ Artemis: Pre-authentication Openwire protocol handling can result in queue deletion

CVE-2026-67593: remote attackers can delete ActiveMQ Artemis queues via pre-authentication Openwire protocol handling in affected versions.

A remote attacker can exploit pre-authentication handling of the Openwire protocol to result in queue deletion on affected Apache Artemis and ActiveMQ Artemis brokers. Affected components include artemis-openwire-protocol and artemis-jakarta-openwire-protocol in Apache Artemis 2.50.0 through 2.56.0, and artemis-openwire-protocol 1.0.0 through 2.44.0 plus artemis-jakarta-openwire-protocol 2.32.0 through 2.44.0 in ActiveMQ Artemis. Apache rates the issue important.

oss-security · 6d agoVulnerability 7 sourcesCVE-2026-675931

CVE-2026-34486: Apache Software Foundation Apache Tomcat

CISA added CVE-2026-34486, an actively exploited Apache Tomcat EncryptInterceptor bypass enabling unauthenticated deserialization RCE, to its KEV catalog.

CVE-2026-34486 allows bypass of Apache Tomcat's EncryptInterceptor, a flaw introduced by the fix for padding-oracle issue CVE-2026-29146 in Tribes cluster encryption. CISA added the flaw to the Known Exploited Vulnerability catalog on August 4, 2026, alongside actively exploited Langflow and N-central flaws, with remediation required under BOD 26-04 guidance. Official patches and workarounds are available, and reporting notes unauthenticated remote code execution through Java deserialization on the Tribes receiver port 4000.

Web discovery (articles for new exploits & KEV entries) · 7d agoExploit / PoC in the wildCVE-2026-34486CVE-2026-291462

CVE-2026-68570: Apache Doris: Authorization bypass leading to unauthorized data access

Apache Doris authorization bypass CVE-2026-68570 lets authenticated users read unauthorized data, disclosing information across versions 2.0.0 through 4.1.3.

CVE-2026-68570 is an incorrect authorization vulnerability in Apache Doris rated important, allowing an authenticated user to bypass privilege checks and read data they are not authorized to access. Affected versions span Apache Doris 2.0.0 through 2.1.*, 3.0.0 through 3.0.*, 4.0.0 before 4.0.8, and 4.1.0 before 4.1.4. The issue results in unauthorized disclosure of information.

oss-security · 1d agoVulnerabilityCVE-2026-68570

CVE-2026-72524: Apache Doris: Authorization bypass allowing a low-privilege user to read/write/drop arbitrary tables

Apache Doris authorization bypass CVE-2026-72524 lets authenticated low-privilege users read, write, or drop arbitrary tables in affected 3.1.x through 4.1.3 versions.

CVE-2026-72524 is an incorrect authorization vulnerability in Apache Doris rated important, allowing an authenticated low-privilege user to bypass privilege checks and read, write, or drop arbitrary tables. Affected versions include Apache Doris 3.1.0 through 3.1.*, 4.0.0 through 4.0.7, and 4.1.0 through 4.1.3. The flaw permits access to or modification of data the user is not authorized to touch.

oss-security · 1d agoVulnerabilityCVE-2026-725241

CVE-2026-84939: Apache FreeMarker: A malformed locale may be exploitable for path traversal attacks

Apache FreeMarker CVE-2026-84939 permits path traversal via a malformed locale in template loading; fixed in FreeMarker 2.3.35.

A path traversal vulnerability in Apache FreeMarker's template loading mechanism can be triggered when an attacker controls a malformed locale value. FreeMarker 2.2.0 through 2.3.34 are affected for both the org.freemarker:freemarker and freemarker-gae artifacts, while 2.3.35 is unaffected. No exploitation or CVSS details were included in the announcement.

oss-security · 7d agoVulnerabilityCVE-2026-84939

CVE-2026-87802: Apache Syncope: SRA OAuth2 JWT signature verification bypass

Low-severity CVE-2026-87802 in Apache Syncope SRA allows JWT signature forgery in OAuth 2.0 setups without JWKS URI.

CVE-2026-87802 is a low-severity improper cryptographic signature verification flaw in Apache Syncope SRA affecting versions 3.0.0-M0 through 3.0.16, 4.0.0-M0 through 4.0.7, and 4.1.0-M0 through 4.1.2. When SRA is configured for OAuth 2.0 without a JWKS set URI assigned, an attacker can forge tokens, bypassing JWT signature verification.

oss-security · 1d agoVulnerabilityCVE-2026-87802

CVE-2026-87785: Apache Syncope: JWT subject spoofing

Apache Syncope disclosed low-severity CVE-2026-87785, a JWT subject spoofing flaw enabling authentication bypass in affected syncope-core-spring versions.

CVE-2026-87785 is a low-severity authentication bypass by spoofing vulnerability in Apache Syncope related to the configured JWKS settings for internal JWT authentication. Affected versions are syncope-core-spring 3.0.0-M0 through 3.0.16, 4.0.0-M0 through 4.0.7, and 4.1.0-M0 through 4.1.2.

oss-security · 1d agoVulnerabilityCVE-2026-87785

CVE-2026-87779: Apache Syncope: AES Secret Key disclosure via log output

Apache Syncope's CVE-2026-87779 exposes AES secret keys in log output when keys use non-standard lengths, rated important.

CVE-2026-87779 is an important-severity insertion of sensitive information into log file vulnerability in Apache Syncope. When an AES key of non-standard length (not 16, 24 or 32 bytes) is used, the secret key can be disclosed via log output. Affected versions are syncope-core-spring 3.0.15 through 3.0.16, 4.0.3 through 4.0.7, and 4.1.0-M0 through 4.1.2.

oss-security · 1d agoVulnerabilityCVE-2026-877791

CVE-2026-78336: Apache Syncope: OIDCC4UI provider list discloses client secrets to any authenticated user

Apache Syncope's OIDCC4UI extension leaks OIDC client secrets in the provider list to any authenticated user, versions through 4.1.2 affected.

CVE-2026-78336 is a moderate-severity insertion-of-sensitive-information-into-sent-data flaw in Apache Syncope's syncope-ext-oidcc4ui-logic module. The OIDCC4UI provider list discloses client secrets to any authenticated user. Affected versions are 3.0.0-M0 through 3.0.16, 4.0.0-M0 through 4.0.7, and 4.1.0-M0 through 4.1.2.

oss-security · 1d agoVulnerabilityCVE-2026-783361

CVE-2026-78330: Apache Syncope: Privilege escalation for admin user via JWT authentication

Apache Syncope allows privilege escalation for an admin user via misconfigured internal JWT JWKS authentication settings, versions through 4.1.2.

CVE-2026-78330 is a moderate-severity incorrect privilege assignment vulnerability in Apache Syncope's syncope-core-spring module. When the configured JWKS settings for internal JWT authentication are misconfigured, an admin user can escalate privileges. Affected versions are 3.0.0-M0 through 3.0.16, 4.0.0-M0 through 4.0.7, and 4.1.0-M0 through 4.1.2.

oss-security · 1d agoVulnerabilityCVE-2026-78330

CVE-2026-77883: Apache Syncope: Information disclosure via one-hop JEXL navigation past the JexlContextBuilder name denylist

Apache Syncope's JEXL template engine permits one-hop navigation past the JexlContextBuilder name denylist, enabling administrator-driven information disclosure.

CVE-2026-77883 is a moderate-severity exposure of sensitive information through data queries in Apache Syncope's syncope-core-provisioning-api module. An administrator can bypass the JexlContextBuilder name denylist using one-hop JEXL navigation to reach sensitive data. Affected versions are 3.0.0-M0 through 3.0.16, 4.0.0-M0 through 4.0.7, and 4.1.0-M0 through 4.1.2.

oss-security · 1d agoVulnerabilityCVE-2026-778831

CVE-2026-77181: Apache Syncope: ClientApp update entitlement not effective

Apache Syncope discloses low-severity CVE-2026-77181, an incorrect authorization flaw where the ClientApp update entitlement is not effective in versions 3.0.x through 4.1.2.

Francesco Chicchiriccò posted a low-severity advisory for CVE-2026-77181, an Incorrect Authorization vulnerability in Apache Syncope's syncope-core-am-logic module. Affected versions include 3.0.0-M0 through 3.0.16, 4.0.0-M0 through 4.0.7, and 4.1.0-M0 through 4.1.2. An administrator holding the ClientApp update entitlement finds it is not applied as expected. No exploitation is reported and the issue is rated low severity.

oss-security · 1d agoVulnerabilityCVE-2026-77181

CVE-2026-77147: Apache Syncope: Groovy Sandbox escape for empty CommandArgs

Apache Syncope patches an important Groovy sandbox escape (CVE-2026-77147) allowing administrators to achieve code injection via empty CommandArgs.

CVE-2026-77147 is an important-severity improper control of code generation vulnerability in Apache Syncope, rated as a Groovy sandbox escape for empty CommandArgs. An administrator with adequate privileges can exploit the flaw to achieve code injection. Affected versions include syncope-core-spring 3.0.0-M0 through 3.0.16, 4.0.0-M0 through 4.0.7, and 4.1.0-M0 through 4.1.2.

oss-security · 1d agoVulnerabilityCVE-2026-77147

CVE-2026-75030: Apache Syncope: Incomplete authorization checks for Group members deprovisioning

Apache Syncope patches missing authorization checks (CVE-2026-75030) in Group members deprovisioning that administrators can abuse.

CVE-2026-75030 is a moderate-severity missing authorization vulnerability in Apache Syncope's Group members deprovisioning logic (syncope-core-idrepo-logic). An administrator with task execution permissions can bypass the incomplete authorization checks. Affected versions include 3.0.0-M0 through 3.0.16, 4.0.0-M0 through 4.0.7, and 4.1.0-M0 through 4.1.2.

oss-security · 1d agoVulnerabilityCVE-2026-750301

CVE-2026-75015: Apache Syncope: Nested secrets leak cleartext into audit records readable

Apache Syncope leaks nested secrets in cleartext into audit records readable by unauthorized users; affects 3.0.x, 4.0.x, and 4.1.x versions.

CVE-2026-75015 is an insufficiently protected credentials vulnerability in Apache Syncope where audit events expose nested secrets in cleartext to users able to read those records. Affected component is syncope-core-provisioning-java 3.0.0-M0 through 3.0.16, 4.0.0-M0 through 4.0.7, and 4.1.0-M0 through 4.1.2. Apache rates the issue moderate severity, and users should upgrade to fixed releases.

oss-security · 1d agoVulnerabilityCVE-2026-75015

CVE-2026-73579: Apache Syncope: Non-recursive Any search could skip Realms restrictions

Apache Syncope non-recursive Any search can skip Realms restrictions, exposing objects outside an administrator's authorized realm (CVE-2026-73579).

CVE-2026-73579 is an incorrect authorization vulnerability in Apache Syncope where non-recursive Any search requests are transformed in a way that skips Realms restrictions, returning objects outside the administrator's authorized realm. Affected component is syncope-core-persistence-common 3.0.0-M0 through 3.0.16, 4.0.0-M0 through 4.0.7, and 4.1.0-M0 through 4.1.2. Apache rates the issue moderate severity.

oss-security · 1d agoVulnerabilityCVE-2026-73579

CVE-2026-73470: Apache Syncope: Delegating users can grant unowned Roles

Apache Syncope CVE-2026-73470 lets delegated users grant roles they do not own via crafted delegations.

Apache Syncope disclosed CVE-2026-73470, an improper privilege management vulnerability rated important. Delegations can be created or updated so that delegated users are able to grant roles they do not own, breaking ownership constraints. The flaw affects syncope-core-provisioning-java in versions 3.0.0-M0 through 3.0.16, 4.0.0-M0 through 4.0.7, and 4.1.0-M0 through 4.1.2. Users are advised to upgrade to the latest fixed releases.

oss-security · 1d agoVulnerabilityCVE-2026-73470

CVE-2026-73236: Apache Syncope: Cross-Realm authorization bypass in delegated administration

Apache Syncope CVE-2026-73236 bypasses delegated administration checks for sibling Realms sharing a name prefix.

Apache Syncope disclosed CVE-2026-73236, an important-rated incorrect authorization vulnerability. Delegated administration checks are enforced via Realm hierarchy prefix matches, so two sibling Realms whose names begin with the same string cannot be correctly distinguished, allowing delegated admins to act outside their assigned Realm. The flaw affects Syncope 3.0.0-M0 through 3.0.16, 4.0.0-M0 through 4.0.7, and 4.1.0-M0 through 4.1.2. Users should upgrade to fixed versions.

oss-security · 1d agoVulnerability 3 sourcesCVE-2026-732361

CVE-2026-73195: Apache Syncope: CSV export spreadsheet formula injection

Apache Syncope CVE-2026-73195 allows authenticated users to inject spreadsheet formulas into CSV exports.

Apache Syncope disclosed CVE-2026-73195, a moderate-rated improper encoding or escaping of output vulnerability. Authenticated users can inject spreadsheet formulas into data that is later exported as CSV, which may execute when an administrator opens the file in a spreadsheet application. The flaw affects syncope-core-provisioning-java in versions 3.0.0-M0 through 3.0.16, 4.0.0-M0 through 4.0.7, and 4.1.0-M0 through 4.1.2.

oss-security · 1d agoVulnerabilityCVE-2026-73195

CVE-2026-73191: Apache Syncope: CAS service URL injection via Forwarded HTTP headers

Apache Syncope SRA CVE-2026-73191 enables CAS service URL injection via Forwarded HTTP headers.

Apache Syncope disclosed CVE-2026-73191, a moderate-rated open redirect vulnerability in the Syncope SRA. When the SRA is configured for CAS authentication, the target Apereo CAS service URL can be manipulated through Forwarded HTTP headers, redirecting users to an untrusted site. The flaw affects syncope-sra in versions 3.0.0-M0 through 3.0.16, 4.0.0-M0 through 4.0.7, and 4.1.0-M0 through 4.1.2. Users should upgrade to fixed releases.

oss-security · 1d agoVulnerabilityCVE-2026-73191

CVE-2026-73178: Apache Syncope: JWT Access Token takeover

Apache Syncope discloses CVE-2026-73178, an important-severity flaw enabling JWT access token takeover in versions 3.0.x through 4.1.2.

Apache Syncope disclosed CVE-2026-73178, an Exposure of Sensitive Information to an Unauthorized Actor vulnerability rated important that allows JWT access token takeover. Affected versions include syncope-core-provisioning-java 3.0.0-M0 through 3.0.16, 4.0.0-M0 through 4.0.7, and 4.1.0-M0 through 4.1.2. Users should upgrade to the latest fixed releases.

oss-security · 1d agoVulnerabilityCVE-2026-731781

USN-8571-2: Apache HTTP Server regression

Ubuntu issues USN-8571-2 fixing an Apache HTTP Server regression that prevented startup when HTTP/2 proxying was enabled.

Ubuntu released USN-8571-2 to fix a regression introduced by USN-8571-1 in Apache HTTP Server. The earlier fix was incomplete due to a missing library symbol, causing Apache to fail to start when HTTP/2 proxying was enabled. The original advisory addressed CVE-2026-33007, a memory-handling flaw in mod_authn_socache allowing remote denial of service, and an HTTP response splitting vulnerability affecting multiple modules, credited to Pavel Kohout, Arkadi Vainbrand, Haruki Oyama, Merih Mengisteab, and Dawit Jeong.

Ubuntu Security Noticesupdated · 5d agofirst · 5d agoAdvisory 13 sourcesCVE-2026-33007

CVE-2026-86465: Apache Airflow Akeyless provider: Akeyless secrets backend: team-scope guard bypass via user-controlled key

Apache Airflow Akeyless provider before 0.3.1 lets DAG authors bypass team-scope guards and read other teams' secrets.

CVE-2026-86465 (moderate) affects apache-airflow-providers-akeyless before 0.3.1. The Akeyless secrets backend's team-scope guard can be bypassed with a user-controlled key: in multi-team deployments, a DAG author scoped to one team can supply a Variable key containing a path separator that resolves a secret belonging to another team.

oss-security · 17h agoVulnerabilityCVE-2026-86465

CVE-2026-86466: Apache Airflow FAB provider: FAB Authentik provider: id_token issuer/audience not validated

Apache Airflow FAB provider before 3.9.0 skips issuer/audience validation on Authentik id_tokens, allowing tokens minted for other clients to authenticate to Airflow.

CVE-2026-86466 affects apache-airflow-providers-fab before 3.9.0. The Authentik OAuth path in the FAB auth manager does not validate the issuer or audience claims of accepted id_tokens. An attacker holding a token minted by the same Authentik identity provider for a different client application can present it to Airflow and be authenticated. Severity is rated moderate by the reporter.

oss-security · 17h agoVulnerability 3 sourcesCVE-2026-864661

CVE-2026-82310: Apache Airflow FAB provider: FAB auth manager: deactivated users retain and renew Core API JWT access

Apache Airflow FAB provider 2.0.0-3.8.x lets deactivated users keep unexpired Core API JWTs and mint replacements indefinitely.

CVE-2026-82310 affects apache-airflow-providers-fab versions 2.0.0 before 3.9.0. Deactivating a user account does not stop tokens issued before deactivation. While password authentication correctly rejects the disabled account, the Core API continues to accept an existing unexpired token naming it and lets that token mint a replacement. Severity is rated moderate.

oss-security · 17h agoVulnerabilityCVE-2026-82310

CVE-2026-76187: Apache Airflow Keycloak provider: Any realm client's credentials mint an Airflow session JWT

Apache Airflow Keycloak provider before 0.10.0 lets any confidential client's credentials in the realm mint an Airflow session JWT.

CVE-2026-76187 affects apache-airflow-providers-keycloak before 0.10.0. The unauthenticated token endpoint accepts a client-credentials grant for any confidential client registered in the Keycloak realm, not only the client configured for Airflow. No allowlist restricts which client ids may authenticate, so credentials of an unrelated application can obtain an Airflow session JWT. Severity is rated moderate.

oss-security · 17h agoVulnerability 2 sourcesCVE-2026-76187

CVE-2026-84501: Apache ZooKeeper: Operational log forgery via newline injection in EnsembleAuthenticationProvider

Unauthenticated attackers can forge Apache ZooKeeper operational log lines via newline injection in crafted ensemble authentication requests.

CVE-2026-84501 (moderate severity) affects Apache ZooKeeper 3.9.0-3.9.5 and 3.8.0-3.8.6. An unauthenticated attacker can inject arbitrary fake log lines into the operational log by sending a crafted add_auth("ensemble", ...) request containing newline characters. The forged entries could mislead operators or corrupt log-based monitoring and forensics.

oss-security · 19h agoVulnerabilityCVE-2026-845011

CVE-2026-84439: Apache ZooKeeper: Audit log injection via unsanitized output from multiple sources

Apache ZooKeeper audit logs are vulnerable to arbitrary field injection by unauthenticated attackers via tab characters in digest auth requests.

CVE-2026-84439 (important severity) affects Apache ZooKeeper 3.9.0-3.9.5 and 3.8.0-3.8.6 when audit logging is enabled (zookeeper.audit.enable=true). An unauthenticated attacker can inject arbitrary fields into the audit log by sending a digest authentication request with embedded tab characters, undermining audit trail integrity and potentially enabling log-analysis evasion or spoofing.

oss-security · 19h agoVulnerabilityCVE-2026-84439

CVE-2026-59969: Apache ZooKeeper: Improper validation of certificate with host mismatch in FIPS mode

CVE-2026-59969: Apache ZooKeeper quorum TLS skips peer hostname verification in FIPS-mode deployments, enabling potential server-to-server impersonation.

Apache ZooKeeper versions 3.8.0-3.8.6 and 3.9.0-3.9.5 fail to enforce peer hostname verification for quorum TLS when FIPS mode is enabled with sslQuorum, zookeeper.fips-mode, and hostname verification settings turned on. The flaw is rated important and could allow an attacker to impersonate a quorum peer via certificate host mismatch. Users should upgrade to fixed versions.

oss-security · 19h agoVulnerabilityCVE-2026-59969