Search: “unauthenticated”

Unauthenticated Control of NAT Rules Leading to Exposure of Sensitive Information

Fortinet fixed an improper access control flaw (CVSS 8.9) in FortiSandbox, FortiSandbox Cloud, and FortiSandbox PaaS letting unauthenticated attackers access sensitive information.

Fortinet advisory FG-IR-26-166 discloses an improper access control vulnerability (CWE-284) in the FortiSandbox, FortiSandbox Cloud, and FortiSandbox PaaS web UI, rated CVSSv3 8.9. The advisory title indicates unauthenticated control of NAT rules leading to exposure of sensitive information. An unauthenticated attacker can access sensitive data via crafted HTTP requests. The advisory was revised on 2026-09-08.

Fortinet PSIRT·Sep 8, 07:00 UTC · 9d agoAdvisory

Siemens Reyrolle 7SR5

CISA advisory covers 14 vulnerabilities, CVSS 9.8, in Siemens Reyrolle 7SR5 energy-sector protection relays before V2.70.

CISA advisory ICSA-26-258-05 covers 14 vulnerabilities in Siemens Reyrolle 7SR5 protection relays before V2.70, used in the energy sector worldwide, with aggregate CVSS v3 of 9.8. Flaws include Cesanta Mongoose web server issues (CVE-2024-42384 through CVE-2024-42392) and new bugs such as web-interface session-ID exposure enabling authentication bypass (CVE-2026-62645, CVSS 9.8), predictable session tokens (CVE-2026-62646, CVE-2026-62647), and pre-auth out-of-bounds writes (CVE-2026-62648). Siemens has released V2.70 and recommends updating to the latest version.

CISA Advisories·Sep 15, 12:00 UTC · 1d agoAdvisoryCVE-2024-42384CVE-2024-42385CVE-2024-42386+11 CVEs

mySCADA myPRO Manager

CISA advisory reveals unauthenticated privileged API access and arbitrary SMS sending in mySCADA myPRO Manager <=2.1, CVSS 9.8.

CISA advisory ICSA-26-258-03 discloses two vulnerabilities in mySCADA myPRO Manager <=2.1 with aggregate CVSS v3 of 9.8. CVE-2026-73807 (CVSS 9.8) lets unauthenticated network attackers access privileged management functions via the command API, while CVE-2026-82567 exposes an unauthenticated HTTP endpoint that sends arbitrary SMS messages through a connected GSM modem. Deployments span critical manufacturing, energy, food and agriculture, transportation, and water and wastewater sectors. CISA states no known public exploitation has been reported at this time.

CISA Advisories·Sep 15, 12:00 UTC · 1d agoAdvisoryCVE-2026-73807CVE-2026-82567

Siemens Mendix SAML

Siemens Mendix SAML module fails signature validation, allowing unauthenticated account hijacking in specific SSO configurations (CVE-2026-80465).

CISA republished Siemens advisory SSA-887643 for CVE-2026-80465 (CVSS 8.7) in the Mendix SAML module, affecting Mendix 10/11-compatible versions before 4.2.3 and Mendix 9.24-compatible versions before 3.6.27. The module improperly validates SAML response signatures (CWE-347), letting unauthenticated remote attackers hijack an account in specific SSO configurations. Mendix has released fixed versions and recommends updating.

CISA Advisories·Sep 15, 12:00 UTC · 1d agoAdvisoryCVE-2026-80465

Siemens Teamcenter

Reflected XSS in Siemens Teamcenter /auth/ redirect flow lets unauthenticated attackers inject JavaScript into authenticated sessions (CVE-2026-58113).

CISA republished Siemens advisory SSA-157465 for CVE-2026-58113, a reflected cross-site scripting flaw (CVSS 6.1) in the /auth/ authentication redirect flow of Siemens Teamcenter V2412, V2506, V2512, and V2606. An unauthenticated attacker can craft a URL that injects arbitrary JavaScript into an authenticated user's browser, enabling data theft or actions within the victim's Teamcenter session. Fixed versions are available for all affected releases; Enzo Alvarez of Bishop Fox reported the vulnerability.

CISA Advisories·Sep 15, 12:00 UTC · 1d agoAdvisoryCVE-2026-58113

CISA Warns of Actively Exploited Joomla JCE Flaw Allowing PHP Code Execution

The Hacker News·Jun 17, 12:17 UTC · Jun 17, 2026Advisory in the wildCVE-2026-48907

Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software SSL VPN Denial of Service Vulnerability

Cisco expanded an SSL VPN denial-of-service advisory to cover all ASA and FTD software platforms; unauthenticated attackers can exhaust device memory.

A vulnerability in the VPN and management web servers of Cisco ASA Software and Cisco Secure FTD Software allows an unauthenticated remote attacker to exhaust system memory or buffer blocks, causing a denial of service. Originally scoped to the ASAv and FTDv virtual appliances, Cisco updated the advisory on September 16, 2026 to cover all ASA and FTD platforms.

Cisco Security Advisories·Sep 16, 16:05 UTC · 19h agoAdvisory 9 sources

Cisco Identity Services Engine Cross-Site Scripting Vulnerability

Cisco patched a reflected XSS in the ISE management interface allowing unauthenticated attackers to execute script via crafted links.

A reflected cross-site scripting vulnerability in the web-based management interface of Cisco Identity Services Engine lets an unauthenticated remote attacker execute arbitrary script in the context of the interface. Exploitation requires persuading a user to click a crafted link due to improper input validation. Cisco has released software updates.

Cisco Security Advisories·updated 11:15 UTC · 36m ago·first Sep 16, 16:00 UTC · 19h agoAdvisory 21 sources

Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software Object Group Access Control List Bypass Vulnerabilities

Cisco patched ACL Object Group Search bypass flaws in ASA and FTD firewall software that let unauthenticated attackers reach protected networks.

Cisco disclosed multiple vulnerabilities in the ACL Object Group Search implementation of Secure Firewall ASA and FTD Software, caused by a logic error in populating group access control policies. An unauthenticated remote attacker could send traffic that should be blocked through the device, bypassing configured access controls. Cisco has released software updates; no exploitation is mentioned.

Cisco Security Advisories·Sep 16, 16:00 UTC · 19h agoAdvisory 9 sources

Cisco Secure Firewall Threat Defense Software Snort 2 SSL/TLS Denial of Service Vulnerability

Cisco fixed an SSL certificate parsing flaw in FTD's Snort 2 engine letting unauthenticated remote attackers force detection engine restarts.

Incomplete validation of SSL certificates in the Snort 2 Detection Engine of Cisco Secure Firewall Threat Defense software allows an unauthenticated, remote attacker to send a crafted SSL connection setup request for parsing. A successful exploit restarts the Snort 2 Detection Engine unexpectedly, causing a denial of service. Cisco has released software updates, and no workarounds address the vulnerability.

Cisco Security Advisories·Sep 16, 16:00 UTC · 19h agoAdvisory 9 sources

Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software IKEv2 Certificate Authentication Denial of Service Vulnerability

Cisco patched an ASA/FTD IKEv2 certificate authentication flaw letting unauthenticated remote attackers crash the IKEv2 process and reload devices with crafted certificates.

A logic error during the certificate authentication phase of IKEv2 connection setup in Cisco Secure Firewall ASA and FTD Software allows an unauthenticated, remote attacker to crash the IKEv2 process. Exploitation involves attempting to establish an IKEv2 VPN connection with a crafted certificate, causing a denial of service through an unexpected device reload. Cisco has released software updates.

Cisco Security Advisories·Sep 16, 16:00 UTC · 19h agoAdvisory 9 sources

Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software TCP DNS Denial of Service Vulnerability

Cisco disclosed a TCP DNS flaw in ASA and FTD firewall software letting unauthenticated remote attackers trigger device reloads and denial of service.

A logic error in the DNS over TCP implementation of Cisco Secure Firewall ASA and FTD software mishandles buffer-size tracking when parsing DNS queries. An unauthenticated, remote attacker can send a crafted reply to a DNS query sent from the targeted device, causing the TCP DNS response handler to restart and the device to reload. The result is a denial of service condition on affected firewalls.

Cisco Security Advisories·Sep 16, 16:00 UTC · 19h agoAdvisory 9 sources

Cisco Identity Services Engine RADIUS Denial of Service Vulnerability

Cisco patched a RADIUS flaw in Identity Services Engine letting unauthenticated remote attackers trigger denial of service on ISE nodes.

A vulnerability in the RADIUS feature of Cisco Identity Services Engine allows an unauthenticated remote attacker to cause a denial of service by sending crafted RADIUS requests directly to an affected device. The flaw stems from improper handling of certain RADIUS requests and can render ISE nodes unavailable. In single-node deployments, endpoints that have not yet authenticated would be unable to access the network until the node recovers. Cisco has released software updates addressing the issue.

Cisco Security Advisories·updated 11:15 UTC · 36m ago·first Sep 16, 16:00 UTC · 19h agoAdvisory 21 sources

Cisco Identity Services Engine 802.1X Session Hijack and Information Disclosure Vulnerabilities

Cisco patched Identity Services Engine flaws letting unauthenticated local attackers bypass 802.1X authentication or disclose sensitive information.

Multiple vulnerabilities in Cisco Identity Services Engine (ISE) could allow an unauthenticated local attacker to conduct an authentication bypass involving 802.1X session hijack or disclose sensitive information. Cisco has released software updates addressing these vulnerabilities. No workarounds are available. The advisory is part of a batch of Cisco releases.

Cisco Security Advisories·updated 11:15 UTC · 36m ago·first Sep 16, 16:00 UTC · 19h agoAdvisory 21 sources

Cisco Secure Firewall Management Center and Secure Firewall Threat Defense Software sftunnel Vulnerabilities

Cisco fixed sftunnel flaws in Secure Firewall Management Center and Threat Defense allowing unauthenticated authentication bypass or denial of service.

Multiple vulnerabilities in Cisco Secure Firewall Management Center (FMC) and Secure Firewall Threat Defense (FTD) software could allow an unauthenticated attacker to bypass sftunnel authentication or mount a sftunnel denial-of-service attack. Cisco has released software updates addressing these vulnerabilities. No workarounds are available. The advisory is part of a grouped Cisco release.

Cisco Security Advisories·Sep 16, 16:00 UTC · 19h agoAdvisory 6 sources

Cisco Secure Firewall Management Center Software Java Deserialization Remote Code Execution Vulnerability

Cisco fixed an unauthenticated Java deserialization RCE in FMC's External Database Access feature allowing root command execution via a TCP port.

Insecure deserialization of a user-supplied Java byte stream in Cisco Secure Firewall Management Center's External Database Access feature lets an unauthenticated remote attacker execute arbitrary commands and elevate to root. Exploitation requires sending a crafted serialized stream to a specific TCP port from a host configured in the external database access list. Cisco has released software updates.

Cisco Security Advisories·Sep 16, 16:00 UTC · 19h agoAdvisory 6 sources

Cisco Identity Services Engine Authentication Bypass Vulnerability

Cisco patched an unauthenticated API authentication bypass in Identity Services Engine allowing attackers to access the web-based management interface.

A vulnerability in an API of Cisco Identity Services Engine (ISE) stems from insufficient authentication control on an API endpoint. An unauthenticated remote attacker can send a crafted request to bypass authentication and gain unauthorized access to the device via the web-based management interface. Cisco has released software updates and no workarounds are available.

Cisco Security Advisories·updated 11:15 UTC · 36m ago·first Sep 16, 16:00 UTC · 19h agoAdvisory 21 sources

Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software EIGRP Denial of Service Vulnerability

Cisco fixed an EIGRP flaw in Secure Firewall ASA/FTD software letting unauthenticated adjacent attackers trigger memory leaks and unexpected device reloads.

A vulnerability in the EIGRP implementation of Cisco Secure Firewall ASA and FTD Software stems from improper resource management when handling EIGRP update messages. An unauthenticated, adjacent attacker can send crafted EIGRP updates at a high rate to cause a memory leak that eventually reloads the device, creating a denial of service. Cisco has released software updates addressing the issue.

Cisco Security Advisories·Sep 16, 16:00 UTC · 19h agoAdvisory 9 sources

Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software for Secure Firewall 3100 and 4200 Series DTLS Denial of Service Vulnerability

Cisco patched a DTLS flaw in ASA and FTD software for Secure Firewall 3100/4200 series letting unauthenticated attackers trigger device reloads.

Improper resource management when processing DTLS messages in Cisco ASA and Secure Firewall Threat Defense software for Secure Firewall 3100 and 4200 series devices allows an unauthenticated remote attacker to cause a denial of service. Exploitation via a crafted stream of DTLS traffic causes the device to reload. Cisco has released software updates.

Cisco Security Advisories·Sep 16, 16:00 UTC · 19h agoAdvisory 9 sources

CareCam CM2507

CISA advisory: seven flaws in CareCam CM2507 IP cameras enable unauthenticated live video access, privileged ONVIF control, credential recovery, and code execution.

CISA advisory ICSA-26-258-08 discloses seven vulnerabilities in CareCam HMT.CM2507 IP cameras running firmware v251211.1507. Issues include missing authentication for network video streaming (CVE-2026-88259, CVSS 3.1 7.5), an empty password on a privileged ONVIF account (CVE-2026-84398), weak legacy hashing of the root password (CVE-2026-85497, CVSS 4.0 9.3 critical), and cleartext storage of Wi-Fi credentials (CVE-2026-81321). Physical-access flaws allow arbitrary code execution from scripts on removable media (CVE-2026-81305) and unauthenticated bootloader access (CVE-2026-85478). The cameras are deployed worldwide in commercial facilities.

CISA Advisories·Sep 15, 12:00 UTC · 1d agoAdvisoryCVE-2026-88259CVE-2026-84398CVE-2026-84400+4 CVEs

Cisco Secure Firewall Management Center Software Authentication Bypass Vulnerability

Cisco warns of a critical authentication bypass in Secure Firewall Management Center that lets unauthenticated attackers execute scripts and obtain root access.

A vulnerability in the web interface of Cisco Secure Firewall Management Center (FMC) Software allows an unauthenticated, remote attacker to bypass authentication and execute script files on an affected device to obtain root access to the underlying operating system. The flaw stems from an improper system process created at boot time and is triggered via crafted HTTP requests. If the FMC management interface does not have public internet access, the attack surface is limited.

Cisco Security Advisories·Sep 9, 16:00 UTC · 7d agoAdvisory 2 sourcesCVE-2026-20079

Cisco Secure Email Secure/Multipurpose Internet Mail Extensions Ciphertext Decryption Vulnerabilities

Cisco released an advisory for S/MIME ciphertext decryption flaws in Secure Email that could let unauthenticated remote attackers recover plaintext via machine-in-the-middle.

Multiple vulnerabilities in the S/MIME decryption functionality of Cisco Secure Email stem from insufficient validation of message integrity. An unauthenticated remote attacker could intercept and modify traffic between email gateways using a machine-in-the-middle technique to obtain plaintext from encrypted messages. No workarounds are available; no CVE identifiers or exploitation status were included in the advisory text.

Cisco Security Advisories·Sep 8, 11:22 UTC · 9d agoAdvisory

Improper Authentication of FortiPAM Server

Fortinet discloses CVSS 9.1 improper authentication in FortiPAM's Chrome extension allowing unauthenticated attackers to proxy victims' browser traffic.

Fortinet advisory FG-IR-26-168 describes an improper authentication vulnerability (CWE-287) rated 9.1 in the Fortinet Privileged Access Agent Chrome Extension. A remote unauthenticated attacker could proxy a user's browser traffic through attacker-controlled servers if the user visits a malicious website. The advisory was revised on September 8, 2026.

Fortinet PSIRT·Sep 8, 07:00 UTC · 9d agoAdvisory

JWT used for authentication in web GUI signed with static key

Fortinet warns that FortiMonitorOnSight's web GUI uses JWTs signed with a static key, enabling remote unauthenticated authentication bypass.

Fortinet advisory FG-IR-26-170 discloses a CVSS 9.6 vulnerability (CWE-540, sensitive information in source code) in the FortiMonitorOnSight web portal. The web GUI's JWT authentication tokens are signed with a static key, allowing a remote unauthenticated attacker to bypass authentication via forged or reused JWTs. The advisory was revised on September 8, 2026.

Fortinet PSIRT·Sep 8, 07:00 UTC · 9d agoAdvisory

ZTNA Portal Improper Certificate Validation

Fortinet fixed an improper certificate validation flaw (CVSS 7.3) in FortiOS and FortiProxy Agentless ZTNA portal enabling unauthenticated man-in-the-middle attacks on backend traffic.

Fortinet advisory FG-IR-26-174 discloses an improper certificate validation vulnerability (CWE-295) in the FortiOS and FortiProxy Agentless ZTNA portal, rated CVSSv3 7.3. A remote and unauthenticated attacker can perform a man-in-the-middle attack on the communication channel between the ZTNA portal and the backend destination website. The advisory was revised on 2026-09-08.

Fortinet PSIRT·Sep 8, 07:00 UTC · 9d agoAdvisory

Cisco BroadWorks Out-of-Band Blind XML External Entity Injection Vulnerability

Cisco patched an XXE flaw in BroadWorks' OCI XML parser letting unauthenticated remote attackers read sensitive files from the filesystem.

Cisco BroadWorks permits external entity resolution by default in its Open Client Interface XML parser, enabling out-of-band blind XXE injection. An unauthenticated remote attacker can send crafted XML to the OCI-P provisioning service and read sensitive configuration files with BroadWorks user privileges. Cisco has released software updates and no workarounds are available.

Cisco Security Advisories·Aug 19, 16:00 UTC · 28d agoAdvisory

UI DoS attack

FortiOS web interface is vulnerable to unauthenticated slow HTTP denial-of-service attacks via crafted requests (CVSS 5.0).

Fortinet advisory FG-IR-26-162 details an unbounded resource allocation flaw (CWE-770) in FortiOS, scored CVSSv3 5.0. An unauthenticated attacker can launch a slow HTTP denial-of-service attack against the FortiOS web interface using crafted HTTP requests. The advisory was revised on 2026-08-12 and does not state that exploitation has been observed.

Fortinet PSIRT·Aug 12, 07:00 UTC · Aug 12, 2026Advisory

Content-Encoding WAF Evasion

FortiWeb WAF policies can be bypassed by unauthenticated attackers using crafted Content-Encoding requests (CVSS 4.8).

Fortinet disclosed an incomplete list of disallowed inputs (CWE-184) in FortiWeb's WAF, tracked as FG-IR-26-157. An unauthenticated attacker can bypass WAF policies using specifically crafted requests with crafted Content-Encoding values. The issue carries a CVSSv3 score of 4.8 and was revised on 2026-08-12. The advisory does not report active exploitation.

Fortinet PSIRT·Aug 12, 07:00 UTC · Aug 12, 2026Advisory

Cisco Secure Firewall Management Center Software Static Credential Vulnerability

Cisco warns of static low-privileged credentials in Secure Firewall Management Center's web interface, letting unauthenticated remote attackers log in and access sensitive data.

Cisco disclosed a vulnerability in the web interface of Secure Firewall Management Center (FMC) Software caused by the presence of static credentials for a low-privileged account. An unauthenticated remote attacker could log in to an affected device using the static account and access sensitive data within impacted systems. The attack surface is reduced when the FMC management interface does not have public internet access.

Cisco Security Advisories·Aug 11, 19:01 UTC · Aug 11, 2026Advisory

Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software Remote Access SSL VPN Denial of Service Vulnerability

Cisco patched an unauthenticated remote DoS in ASA and FTD Remote Access SSL VPN that reloads devices via crafted HTTP requests.

Cisco disclosed a denial-of-service vulnerability in the Remote Access SSL VPN service of Secure Firewall ASA and FTD software. Insufficient error checking when processing HTTP requests allows an unauthenticated, remote attacker to send a crafted HTTP request that causes the affected device to reload. Cisco has released software updates addressing the flaw.

Cisco Security Advisories·Aug 11, 16:39 UTC · Aug 11, 2026Advisory

Oracle Critical Security Update – 673 Vulnerabilities Patched Across Product Families

Oracle's September 2026 Critical Patch Update ships 673 patches across 17 product families, including 100+ critical and 240+ remotely exploitable flaws.

Oracle's September 2026 Critical Security Patch Update ships 673 patches covering 672 unique CVEs, with more than 130 additional CVEs resolved through bundled fixes, pushing the effective total past 800. Over 100 flaws are critical severity and more than 240 are remotely exploitable without authentication. Oracle E-Business Suite received 159 fixes, Fusion Middleware 153 (78 unauthenticated and network-exploitable), and Hyperion 102. No in-the-wild exploitation of these specific flaws is reported, but Oracle cites CISA's earlier 72-hour remediation order for actively exploited CVE-2026-21962 (CVSS 10.0).

Cyber Security News·updated Sep 16, 19:29 UTC · 16h ago·first Sep 16, 13:03 UTC · 22h agoAdvisory 3 sourcesCVE-2026-219621

ZDI-26-684: Linux Kernel KSMBD Query Directory Request Race Condition Remote Code Execution Vulnerability

ZDI discloses CVE-2026-64397, a CVSS 9.0 unauthenticated remote code execution race condition in Linux Kernel KSMBD.

ZDI-26-684 describes a race condition in the Linux Kernel KSMBD subsystem's Query Directory Request handling that allows unauthenticated remote attackers to execute arbitrary code. Only systems with KSMBD enabled are vulnerable. ZDI assigned a CVSS rating of 9.0 and CVE-2026-64397.

ZDI Published Advisories·Sep 14, 05:00 UTC · 3d agoAdvisoryCVE-2026-64397

ZDI-26-657: ASUS Control Center Express Agent Missing Authentication Remote Code Execution Vulnerability

ZDI-26-657: ASUS Control Center Express Agent has an unauthenticated remote code execution flaw, CVE-2026-19397, rated CVSS 9.8.

The Zero Day Initiative published advisory ZDI-26-657 for ASUS Control Center Express Agent. The flaw, tracked as CVE-2026-19397, lets remote attackers execute arbitrary code without authentication. ZDI assigned a CVSS 9.8 rating. The advisory accompanies a vendor patch for affected installations.

ZDI Published Advisories·Sep 10, 05:00 UTC · 7d agoAdvisoryCVE-2026-19397

ZDI-26-656: PAPPL Job Processing Heap-based Buffer Overflow Remote Code Execution Vulnerability

ZDI-26-656: Unauthenticated heap-based buffer overflow in PAPPL job processing allows remote code execution, rated CVSS 9.8.

The Zero Day Initiative published advisory ZDI-26-656 for PAPPL, the open-source printer application framework. A heap-based buffer overflow in job processing allows remote attackers to execute arbitrary code with no authentication required. ZDI assigned a CVSS 9.8 rating. No CVE identifier was listed in the advisory text.

ZDI Published Advisories·Sep 10, 05:00 UTC · 7d agoAdvisory 2 sources

ZDI-26-634: Flowise CSV Agent Prompt Injection Remote Code Execution Vulnerability

ZDI disclosed a CVSS 9.8 unauthenticated prompt injection vulnerability in Flowise's CSV agent that allows remote arbitrary code execution.

ZDI published advisory ZDI-26-634 for a prompt injection vulnerability in Flowise's CSV agent component. Remote, unauthenticated attackers can inject prompts to execute arbitrary code on affected installations. ZDI assigned CVSS 9.8 and the issue is tracked as CVE-2026-70477.

ZDI Published Advisories·Sep 9, 05:00 UTC · 8d agoAdvisoryCVE-2026-70477

ZDI-26-632: WatchGuard FireWare OS epm connect Stack-based Buffer Overflow Remote Code Execution Vulnerability

ZDI disclosed a CVSS 8.8 unauthenticated stack-based buffer overflow in WatchGuard FireWare OS epm connect enabling network-adjacent remote code execution.

ZDI published advisory ZDI-26-632 for a stack-based buffer overflow in the epm connect component of WatchGuard FireWare OS. Network-adjacent attackers can execute arbitrary code without authentication. ZDI assigned CVSS 8.8 and the issue is tracked as CVE-2026-13086.

ZDI Published Advisories·Sep 9, 05:00 UTC · 8d agoAdvisoryCVE-2026-13086

ZDI-26-629: Microsoft Azure Entra ID OAuth Device Code Grant Information Disclosure Vulnerability

Zero Day Initiative disclosed an unauthenticated information disclosure vulnerability (CVSS 5.8) in Microsoft Azure Entra ID's OAuth device code grant flow.

ZDI published advisory ZDI-26-629 describing an information disclosure vulnerability in Microsoft Azure Entra ID related to the OAuth device code grant. Remote attackers can disclose sensitive information without authentication. ZDI assigned a CVSS 3.1 score of 5.8; no CVE identifier is listed in the advisory text.

ZDI Published Advisories·Sep 9, 05:00 UTC · 8d agoAdvisory1

ZDI-26-622: Microsoft Windows IKEv2 AES-GCM Decryption Integer Underflow Remote Code Execution Vulnerability

ZDI disclosed CVE-2026-50696, a CVSS 8.1 integer underflow in Windows IKEv2 AES-GCM decryption enabling unauthenticated remote code execution on specific IPsec configurations.

The Zero Day Initiative published ZDI-26-622 describing a remote code execution vulnerability in Microsoft Windows' IKEv2 AES-GCM decryption path, caused by an integer underflow. Authentication is not required for exploitation, but only systems using specific IPsec configurations are affected. ZDI assigned the vulnerability a CVSS score of 8.1 and the identifier CVE-2026-50696.

ZDI Published Advisories·Sep 8, 05:00 UTC · 9d agoAdvisoryCVE-2026-506961

Tycon Systems TPDIN-Monitor-WEB2 (Update A)

CISA details CVE-2026-61884 (CVSS 9.8) in Tycon Systems TPDIN-Monitor-WEB2: unauthenticated access to power relays when credentials are unset; fixed in 2.4.5.

CISA updated its advisory for Tycon Systems TPDIN-Monitor-WEB2 firmware below 2.4.5, covering two vulnerabilities. CVE-2026-61884 (CVSS 9.8, CWE-306) lets any network attacker reach full device controls, including power relay management and reboots, on units left without configured HTTP credentials. CVE-2026-55985 exposes stored system credentials in cleartext to authenticated dashboard users, enabling compromise of other local systems. No public exploitation has been reported to CISA.

CISA Advisories·Sep 3, 12:00 UTC · 13d agoAdvisory 2 sourcesCVE-2026-61884CVE-2026-55985

ZDI-26-526: (0Day) PAX Technology Q80 Application Installer Signature Verification Bypass Remote Code Execution Vulnerability

ZDI discloses an unauthenticated, network-adjacent RCE in PAX Technology Q80 payment terminals via installer signature bypass, rated CVSS 7.5.

ZDI-26-526 describes a signature verification bypass in the PAX Technology Q80 application installer that lets network-adjacent attackers execute arbitrary code without authentication. The 0-day is tracked as CVE-2026-19910 and CVE-2026-19911 and carries a CVSS score of 7.5. No public patch was noted at the time of disclosure.

ZDI Published Advisories·Aug 14, 05:00 UTC · Aug 14, 2026AdvisoryCVE-2026-19910CVE-2026-19911