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Cisco Warns of Critical ISE 0-Day Vulnerability Exploited in Attacks

Cisco confirms zero-day CVE-2026-76460 (CVSS 10.0) in ISE is under active exploitation, granting unauthenticated root command execution; patches released.

Cisco's PSIRT issued an urgent advisory for CVE-2026-76460, an authentication bypass via insufficient controls on an API endpoint in Cisco ISE and ISE-PIC, confirmed to be actively exploited with a CVSS score of 10.0. Exploitation can yield root-level command execution, enabling persistence, credential theft, and lateral movement from the network policy platform. Fixed releases are ISE 3.1 Patch 12, 3.2 Patch 11, 3.3 Patch 12, 3.4 Patch 7, and 3.5 Patch 4; EOL version 3.0 requires migration, and iACLs offer only temporary mitigation. The flaw was discovered while resolving a TAC support case, and Cisco provides hunting guidance including access.log review and firewall log analysis.

Cyber Security News · 1h agoExploit / PoC in the wild 21 sourcesCVE-2026-76460

Hackers Exploit Critical Cisco Firewall Flaw to Gain Root Access and Deploy Malware

State-sponsored and ransomware actors actively exploit critical Cisco FMC flaws CVE-2026-20079 (CVSS 10.0) and CVE-2026-20316 to gain root access and deploy ransomware.

Cisco Talos confirmed in-the-wild exploitation of CVE-2026-20079 (CVSS 10.0, unauthenticated authentication bypass enabling root command execution) and CVE-2026-20316 (CVSS 5.3, hard-coded static credentials) in Cisco Secure Firewall Management Center. Three activity clusters were identified: UAT-12197 dropping a JSP web shell and credential harvester; UAT-11823, assessed as Sandworm, deploying a Cyclops Blink variant; and UAT-11988, a Qilin ransomware affiliate chaining the flaws before deploying ransomware. CISA added both CVEs to the KEV catalog with a September 12 remediation deadline for federal agencies.

Cyber Security Newsupdated · 3d agofirst · 6d agoExploit / PoC in the wild 7 sourcesCVE-2026-20079CVE-2026-20316

CISA Warns of Microsoft SQL Server RCE Vulnerability Exploited in Attacks

CISA warns attackers are exploiting CVE-2019-1068, a remote code execution vulnerability in Microsoft SQL Server, to run malicious commands on database servers.

CISA warned that CVE-2019-1068, a remote code execution vulnerability in Microsoft SQL Server, is being exploited in active attacks. Successful exploitation allows an attacker to execute malicious commands on a vulnerable database server, with access limited to the privileges of the SQL Server service account. The warning signals active exploitation of a long-known flaw and makes patching a priority for organizations running affected SQL Server deployments.

Web discovery (articles for new exploits & KEV entries) · 20d agoExploit / PoC in the wildCVE-2019-1068

Artifactory Under Attack: In-the-Wild Exploitation of CVE-2026-42016, CVE-2026-42018 & CVE-2026-82329

Wiz Research confirms in-the-wild exploitation of three JFrog Artifactory vulnerabilities, chained to gain administrative control, deploy Groovy plugins, and install Rust backdoors.

Wiz Research identified active exploitation of CVE-2026-42016, CVE-2026-42018, and CVE-2026-82329 in JFrog Artifactory between August 15 and September 8, 2026. Attackers chain the anonymous-token exposure (CVE-2026-42018) with the token scope-validation flaw (CVE-2026-42016) to obtain admin-scoped tokens, while CVE-2026-82329 allows unauthenticated administrative access in default configurations. Observed post-exploitation includes persistent administrator accounts created in under five minutes, malicious Groovy plugin deployment, ad-hoc command execution, Rust-based C2 backdoors dropped to writable paths, and webshell uploads. Wiz measured that 59-62% of organizations running Artifactory remained vulnerable to the chained CVEs weeks after disclosure, and the vulnerabilities were already included in CISA KEV.

Wiz Blogupdated · 3d agofirst · 6d agoExploit / PoC in the wild 7 sourcesCVE-2026-42016CVE-2026-42018CVE-2026-823292· 1 read

Langflow Remote Code Execution Vulnerability Exploited in Attacks (CVE-2026-0768)

Critical CVSS 9.8 RCE CVE-2026-0768 in Langflow is under active exploitation, with attackers probing for credentials and secrets.

CVE-2026-0768, a critical (CVSS 9.8) remote code execution flaw in Langflow's code validator, lets attackers execute Python code with root privileges via the validate endpoint's code parameter. VulnCheck honeypots in the UK detected Russian-origin exploitation performing reconnaissance and credential harvesting, querying environment variables like LANGFLOW_SUPERUSER and AWS keys and reading Langflow's secret key. Versions before 1.4.2 are affected; no vendor advisory or public PoC was available at reporting time.

Qualys ThreatPROTECT · 14d agoExploit / PoC in the wildCVE-2026-0768CVE-2026-33017CVE-2026-5027+1 CVEs1

vCenter Flaw Exploited Just Five Days After Disclosure

Attackers began exploiting critical vCenter flaw CVE-2026-59310 five days after Broadcom's disclosure, putting enterprise VMware deployments at risk.

Attackers exploited a critical-severity flaw in VMware vCenter, tracked as CVE-2026-59310, just five days after Broadcom disclosed it. vCenter is the management platform for large enterprise VMware virtualization estates, so active exploitation exposes a broad installed base. Defenders running vCenter should prioritize applying Broadcom's patch.

Infosecurity Magazine · Aug 13, 2026Exploit / PoC in the wildCVE-2026-59310

Enterprises Warned of Attacks Exploiting WSO2 Vulnerability

Attackers are actively exploiting CVE-2026-5430 (CVSS 10), a WSO2 JWT authentication bypass, to access enterprise API credentials and sensitive data.

WatchTowr's honeypot network recorded the first exploitation attempt of CVE-2026-5430 on September 13, roughly two months after the CVE record was published in early August. The flaw, patched by WSO2 in April with an advisory in May, carries a maximum CVSS score of 10 and allows JWT authentication bypass via tokens signed with unsupported algorithms, enabling unauthorized access and full account takeover. A forged JWT observed in the wild granted access to API backend endpoints, credentials, and consumer keys and secrets for every registered application. WSO2's API Manager, API Control Plane, Traffic Manager, and Universal Gateway are affected, and the platform serves nearly 1,000 enterprise customers in banking, government, telecom, and logistics.

SecurityWeekupdated · 21h agofirst · 1d agoExploit / PoC in the wild 3 sourcesCVE-2026-54302· 1 read

Active exploitation of Cisco Secure Firewall Management Center vulnerabilities

Cisco Talos reports in-the-wild exploitation of critical FMC flaw CVE-2026-20079 by three clusters including a Sandworm-linked APT and Qilin ransomware affiliates.

Cisco Talos is tracking active exploitation of CVE-2026-20079 (CVSS 10.0), an authentication bypass in Cisco Secure Firewall Management Center that lets unauthenticated remote attackers execute scripts and obtain root access, and CVE-2026-20316 (CVSS 5.3), which permits low-privileged logins and can be chained for privilege escalation. Talos identified three post-compromise clusters: UAT-12197 deploying JSP web shells and a JAR command executor for credential theft; UAT-11823, an APT overlapping with Sandworm, deploying a Netcat reverse shell and Cyclops Blink malware; and UAT-11988, assessed as a ransomware operator with TTPs consistent with Qilin affiliates. Hotfixes are available, with a comprehensive hardening release due the week of September 14, 2026.

Cisco Talos · 7d agoExploit / PoC in the wild 2 sourcesCVE-2026-20079CVE-2026-20316

[webapps] Wolf CMS 0.8.3.1 - RCE v

A proof-of-concept exploit for remote code execution in Wolf CMS 0.8.3.1 has been published on Exploit-DB.

Exploit-DB lists a public proof-of-concept exploit for a remote code execution vulnerability in Wolf CMS 0.8.3.1. The listing is categorized under web applications. No exploitation in the wild or CVE identifier is stated in the listing.

Exploit-DB · 16d agoExploit / PoC1

Another Artifactory CVE under attack by AI agents or humans

Attackers are actively exploiting CVE-2026-82329, a critical JFrog Artifactory authentication bypass, minting admin tokens on exposed servers days after patch release.

CVE-2026-82329 is a CVSS 9.8 unauthenticated authentication bypass in JFrog Artifactory, disclosed Friday, that allows attackers to create new administrative credentials. watchTowr's honeypots recorded exploitation from a small number of IPs within days, including enumeration of users, groups, credential sets, and federated access topologies. Researchers urge urgent patching, credential rotation, and treating exposed instances as potentially compromised to prevent build-pipeline tampering and downstream supply-chain impact.

The Register · Security · 15d agoExploit / PoC in the wild 2 sourcesCVE-2026-82329

CISA Adds Four Known Exploited Vulnerabilities to Catalog

CISA added four actively exploited vulnerabilities to its KEV catalog, covering Adobe Commerce/Magento, Microsoft Windows, and N-able N-central.

CISA added CVE-2026-75650 (Adobe Commerce and Magento, improper neutralization in a template engine), CVE-2026-81963 (Microsoft Windows link following), CVE-2026-85880 (Microsoft Windows heap-based buffer overflow), and CVE-2026-86218 (N-able N-central static code injection) to the Known Exploited Vulnerabilities Catalog based on evidence of active exploitation. Under Binding Operational Directive 26-04, federal civilian agencies must prioritize rapid remediation of KEV-listed vulnerabilities on exposed assets that grant total control post-exploitation and check for pre-patch compromise. All organizations are encouraged to prioritize these flaws in risk-based patching.

CISA Advisories · 9d agoExploit / PoC in the wildCVE-2026-75650CVE-2026-81963CVE-2026-85880+1 CVEs1

Hackers Target Langflow in CVE-2026

Threat actors are actively exploiting CVE-2026-0768, an unauthenticated Python RCE in Langflow, hunting OpenAI, AWS, and SSH credentials.

Attackers began exploiting CVE-2026-0768 (CVSS 9.8), an unauthenticated remote code execution flaw in the code validator of the Langflow AI low-code platform, affecting all versions up to 1.4.2. VulnCheck observed 50+ Canary detections on the first day of exploitation, with attackers checking Langflow, OpenAI, and AWS keys in environment variables, reading the secret key, and looking for SSH access and shell history; most traffic originates from Russia and targeted UK-based canaries. The flaw was reported via ZDI by Trend Research in July 2025 and disclosed in January 2026; six other Langflow CVEs were added to VulnCheck's KEV list this year.

Security Affairs · 15d agoExploit / PoC in the wildCVE-2026-07682

Critical Issabel PBX Command Execution Vulnerability Exploited in the Wild

Unauthenticated attackers exploit CVE-2026-89026 in Issabel PBX via forged JWT tokens to run OS commands; exploitation observed since September 9.

CVE-2026-89026 (CVSS v4 9.3) stems from a hard-coded HS256 JWT signing key in Issabel Framework's pbxapi/index.php, letting unauthenticated attackers forge bearer tokens and execute OS commands through the Asterisk Manager Interface originate endpoint. Issabel Framework versions before commit b97dbaf0b71c1c36f841e672b664afbeb02773bd are affected. Shadowserver Foundation first observed exploitation on September 9, 2026, and VulnCheck added the flaw to its Known Exploited Vulnerabilities database.

Cyber Security Newsupdated · 20h agofirst · 23h agoExploit / PoC in the wild 2 sourcesCVE-2026-890261

Attackers Exploit VMware vCenter Vulnerability to Gain Persistent Remote Access

Attackers actively exploit critical VMware vCenter flaw CVE-2026-59310, installing reverse_ssh backdoors on 361 hosts across 47 countries.

QUIRSO observed active exploitation of CVE-2026-59310 (CVSS 9.8), a directory-traversal flaw in VMware vCenter allowing arbitrary code execution, patched by Broadcom in late July. Attack chains deploy a malicious cron job running the open-source reverse_ssh tool for persistence, with compromised systems phoning home starting August 3, five days after disclosure. Forensics show 361 unique victim IPs in 47 countries, mostly Germany, the U.S., Turkey, Iran, and France, with the actor suspected to be an APT. Separately, Defused Cyber reports rising scanning indicative of exploitation of related CVE-2026-59309, an unauthenticated auth bypass in vmdir.

The Hacker News · Aug 12, 2026Exploit / PoC in the wildCVE-2026-59310CVE-2026-593091

Back-to-back N-able bugs send admins on a patching spree

CVE-2026-86218, a CVSS 10.0 pre-auth RCE in N-able N-central, is being exploited in the wild; Hotfix 4 mitigates it immediately.

N-able disclosed CVE-2026-86218 on September 6, a pre-authentication remote code execution flaw with CVSS 10.0 in its N-central RMM platform, and both N-able and Huntress report it is being exploited in the wild. It follows Huntress's disclosure of an exploit chain combining CVE-2026-86206 and CVE-2026-86207 that bypasses access controls to create unauthorized administrative accounts, investigated after a September 4 compromise of a fully patched customer environment. N-able has applied mitigations to all hosted N-central instances; on-premises customers must upgrade to Hotfix 4 (build 2026.3.1.14) immediately.

CSO Online · 10d agoExploit / PoC in the wildCVE-2026-86218CVE-2026-86206CVE-2026-86207+2 CVEs

CISA: Critical VMware RCE flaw now exploited by ransomware gangs

CISA warns ransomware gangs now exploit critical VMware vCenter syslog RCE CVE-2026-59310, already KEV-listed after APT compromises across 47 countries.

Broadcom patched critical directory traversal flaw CVE-2026-59310 in the vCenter Syslog server on July 29, warning of unauthenticated remote code execution. QUIRSO subsequently found 361 compromised IPs across 47 countries after a suspected APT deployed a reverse SSH tool for persistence and remote access. CISA added the flaw to its KEV catalog with a three-day patch deadline for federal agencies, and over the weekend updated it to flag active abuse by ransomware gangs. Shadowserver tracks over 450 exposed vCenter servers, and CISA has tagged 26 VMware vulnerabilities as exploited in the wild over five years, nine abused by ransomware.

BleepingComputer · 1d agoExploit / PoC in the wildCVE-2026-59310CVE-2025-60710CVE-2025-22225+2 CVEs1

Another Apache Log4j Vulnerability Is Actively Exploited in the Wild (CVE-2021

Apache Log4j 2 RCE CVE-2021-44228 is actively exploited via crafted JNDI lookups; Palo Alto Unit 42 urges upgrading to Log4j 2.17.1.

Unit 42 details CVE-2021-44228, an easily exploited remote code execution flaw in Apache Log4j 2 where attacker-supplied JNDI lookups in logged user input cause payload download and execution. Massive internet-wide scanning for unpatched systems has begun, with observed follow-on activity including information stealing, Cobalt Strike delivery, and coinmining. The recommended fix is Log4j 2.17.1, which also patches CVE-2021-45046, CVE-2021-45105, and CVE-2021-44832. Widely used Java software including Apache Struts, Solr, Druid, Flink, ElasticSearch, and Spring Boot is affected.

Palo Alto Unit 42 · Aug 17, 2026Exploit / PoC in the wildCVE-2021-44228CVE-2021-45046CVE-2021-45105+3 CVEs

CISA Adds Three Known Exploited Vulnerabilities to Catalog

CISA added three actively exploited vulnerabilities to its KEV catalog: CVE-2023-49105 (ownCloud), CVE-2026-53362 (Linux kernel), and CVE-2026-66384 (JFrog Artifactory).

CISA added three new entries to the Known Exploited Vulnerabilities catalog based on evidence of active exploitation: ownCloud improper authentication (CVE-2023-49105), an unspecified Linux kernel vulnerability (CVE-2026-53362), and JFrog Artifactory improper path restriction (CVE-2026-66384). KEV listing confirms these flaws are being exploited in the wild rather than posing theoretical risk. Under BOD 26-04, federal civilian executive branch agencies must prioritize remediation of KEV entries.

CISA Advisories · 21d agoExploit / PoC in the wildCVE-2023-49105CVE-2026-53362CVE-2026-66384

Chrome V8 Zero-Day Exploited in the Wild Enables Code Execution Inside Sandbox

Google patches actively exploited Chrome V8 zero-day CVE-2026-87491, an out-of-bounds write enabling sandboxed code execution via crafted HTML pages.

Google released Chrome 153.0.8010.36/.37 fixing 230 vulnerabilities, including CVE-2026-87491, an out-of-bounds write in the V8 engine that allowed remote code execution inside the sandbox via a crafted HTML page and is confirmed to be exploited in the wild. The flaw was reported on August 6, 2026 by Jihyeon Jeong of Compsec Lab, Seoul National University, who received a $2,500 bug bounty. This is the seventh actively exploited Chrome zero-day of 2026. The update also fixes five critical flaws in WebGL and Cast, plus a high WebPackaging use-after-free (CVE-2026-87639) credited to OpenAI Codex Security.

The Hacker News · 8d agoExploit / PoC in the wildCVE-2026-87491CVE-2026-2441CVE-2026-3909+10 CVEs

CVE-2019-1068: A remote code execution vulnerability exists in ...

CISA added CVE-2019-1068, a high-severity remote code execution flaw in Microsoft SQL Server, to its KEV catalog after confirming exploitation in the wild.

CVE-2019-1068 (CVSS 8.8, CWE-20) is an improper input validation flaw allowing unauthenticated RCE in Microsoft SQL Server 2014 SP2/SP3, 2016, and 2017 on 32-bit and x64 builds. Exploitation requires low complexity and low privileges with no user interaction, and CISA formally added it to the KEV catalog on August 26, 2026. The CVE was originally published on July 15, 2019 and carries an EPSS score of 52.8%. Administrators must inventory affected SQL Server assets and apply vendor patches on an accelerated timeline.

Web discovery (articles for new exploits & KEV entries) · 8d agoExploit / PoC in the wildCVE-2019-10681

CISA Adds One Known Exploited Vulnerability to Catalog

CISA added CVE-2026-76461, an actively exploited SQL injection in Cisco Secure Email Gateway, to the KEV catalog.

CISA added CVE-2026-76461, a SQL injection vulnerability in Cisco Secure Email Gateway, to its Known Exploited Vulnerabilities (KEV) Catalog based on evidence of active exploitation. BOD 26-04 requires Federal Civilian Executive Branch agencies to prioritize rapid remediation of KEV vulnerabilities on publicly exposed assets and to check whether systems were compromised before patching. CISA encourages all organizations to adopt risk-based vulnerability management and prioritize KEV remediation.

CISA Advisoriesupdated · 22h agofirst · 3d agoExploit / PoC in the wild 17 sourcesCVE-2026-76461

CISA Adds Three Known Exploited Vulnerabilities to Catalog

CISA added three actively exploited vulnerabilities — two JFrog Artifactory and one ConnectWise ScreenConnect — to its KEV Catalog.

CISA added CVE-2026-42016 (JFrog Artifactory incorrect authorization), CVE-2026-42018 (JFrog Artifactory improper authentication), and CVE-2026-84869 (ConnectWise ScreenConnect improper privilege management and missing authorization) to the Known Exploited Vulnerabilities Catalog based on evidence of active exploitation. BOD 26-04 requires Federal Civilian Executive Branch agencies to prioritize rapid remediation of such high-risk vulnerabilities on publicly exposed assets and to check for prior compromise. CISA urges all organizations to adopt risk-based vulnerability management and prioritize KEV remediation.

CISA Advisories · 6d agoExploit / PoC in the wildCVE-2026-42016CVE-2026-42018CVE-2026-84869

Adobe Commerce max-severity bug comes under active attack

Attackers are actively exploiting CVE-2026-75650 (CVSS 10.0), an unauthenticated RCE zero-day in Adobe Commerce/Magento, deploying a Rust backdoor on e-commerce servers.

Sansec identified active exploitation of a CVSS 10.0 zero-day (CVE-2026-75650) in Adobe Commerce and Magento Open Source versions 2.4.4 through 2.4.9, dubbed StyleSmuggler. The attack abuses crafted style properties in Magento template processing to execute PHP while rendering a 'Payment Transaction Failed Reminder' email, then launches a Rust backdoor connecting to C2 at 99.84.67.186 disguised as NTP traffic. Exploitation began September 4, 2026; Adobe released emergency hotfix VULN-393411, but Sansec also observed a second attacker deploying a PHP web shell in the product-image cache.

CSO Online · 9d agoExploit / PoC in the wildCVE-2026-75650

2026-011: Critical Vulnerabilities in SAP Kernel and NetWeaver Message Server

SAP patched two critical flaws, OVERPASS (CVE-2026-44756, CVSS 10.0) and S4GET (CVE-2026-58240), allowing unauthenticated attackers to execute OS commands on SAP hosts.

On SAP's September 2026 Security Patch Day, SAP released Security Notes 3747649 and 3759472 fixing two critical unauthenticated remote vulnerabilities found by Onapsis. CVE-2026-44756 ('OVERPASS', CVSS 10.0) is a memory corruption flaw in Extended Passport (EPP) deserialisation in the SAP Kernel; CVE-2026-58240 ('S4GET', CVSS 9.8) is a missing authentication check in the NetWeaver Message Server that lets attackers register as trusted cluster nodes. Successful exploitation of either can yield OS command execution as the SAP service account, leading to full system and business data compromise, and CERT-EU urges immediate patching. No in-the-wild exploitation is reported.

CERT-EU Advisories · 8d agoVulnerabilityCVE-2026-44756CVE-2026-58240