CVE-2026-27135 nghttp2 Denial of service: Assertion failure due to the missing state validation

nghttp2 is an implementation of the Hypertext Transfer Protocol version 2 in C. Prior to version 1.68.1, the nghttp2 library stops reading the incoming data when user facing public API nghttp2sessionterminatesession or nghttp2sessionterminatesession2 is called by the application. They might be...

CVE-2026-27135

CVE-2026-27135 affects the nghttp2 library (C). Before version 1.68.1, when applications call the public APIs nghttp2_session_terminate_session or nghttp2_session_terminate_session2, the library fails to validate internal state and continues reading the incoming data. This can cause a malformed f...

CVE-2026-27135 nghttp2 Denial of service: Assertion failure due to the missing state validation

nghttp2 is an implementation of the Hypertext Transfer Protocol version 2 in C. Prior to version 1.68.1, the nghttp2 library stops reading the incoming data when user facing public API nghttp2sessionterminatesession or nghttp2sessionterminatesession2 is called by the application. They might be...

CVE-2026-27135 nghttp2 Denial of service: Assertion failure due to the missing state validation

nghttp2 is an implementation of the Hypertext Transfer Protocol version 2 in C. Prior to version 1.68.1, the nghttp2 library stops reading the incoming data when user facing public API nghttp2sessionterminatesession or nghttp2sessionterminatesession2 is called by the application. They might be...

CVE-2026-27135

nghttp2 is an implementation of the Hypertext Transfer Protocol version 2 in C. Prior to version 1.68.1, the nghttp2 library stops reading the incoming data when user facing public API nghttp2sessionterminatesession or nghttp2sessionterminatesession2 is called by the application. They might be...

CVE-2026-27135

nghttp2 is an implementation of the Hypertext Transfer Protocol version 2 in C. Prior to version 1.68.1, the nghttp2 library stops reading the incoming data when user facing public API "nghttp2sessionterminatesession" or "nghttp2sessionterminatesession2" is called by the application. They might b...

Keycloak: Unauthorized authentication via disabled SAML Identity Provider

A flaw was found in Keycloak. A remote attacker could bypass security controls by sending a valid SAML response from an external Identity Provider IdP to the Keycloak SAML endpoint for IdP-initiated broker logins. This allows the attacker to complete broker logins even when the SAML Identity...

GHSA-WMXR-6J5F-838P Duplicate Advisory: Keycloak: Unauthorized access via improper validation of encrypted SAML assertions

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-794g-x443-36f7. This link is maintained to preserve external references. Original Description A flaw was found in Keycloak. Keycloak's Security Assertion Markup Language SAML broker endpoint does not properly...

GHSA-X4P7-7CHP-64HQ Keycloak: Unauthorized authentication via disabled SAML Identity Provider

A flaw was found in Keycloak. A remote attacker could bypass security controls by sending a valid SAML response from an external Identity Provider IdP to the Keycloak SAML endpoint for IdP-initiated broker logins. This allows the attacker to complete broker logins even when the SAML Identity...

CVE-2026-2603

A flaw was found in Keycloak. A remote attacker could bypass security controls by sending a valid SAML response from an external Identity Provider IdP to the Keycloak SAML endpoint for IdP-initiated broker logins. This allows the attacker to complete broker logins even when the SAML Identity...

CVE-2026-2092 Keycloak-services: keycloak: unauthorized access via improper validation of encrypted saml assertions

A flaw was found in Keycloak. Keycloak's Security Assertion Markup Language SAML broker endpoint does not properly validate encrypted assertions when the overall SAML response is not signed. An attacker with a valid signed SAML assertion can exploit this by crafting a malicious SAML response. Thi...

CVE-2026-2092

A flaw was found in Keycloak. Keycloak's Security Assertion Markup Language SAML broker endpoint does not properly validate encrypted assertions when the overall SAML response is not signed. An attacker with a valid signed SAML assertion can exploit this by crafting a malicious SAML response. Thi...

PT-2026-25967

Name of the Vulnerable Software and Affected Versions Keycloak affected versions not specified Description A flaw exists in Keycloak’s Security Assertion Markup Language SAML broker endpoint. The endpoint does not properly validate encrypted assertions when the overall SAML response is not signed...

Keycloak 安全漏洞

Keycloak is an open-source identity and access management solution developed by Keycloak. Keycloak has a security vulnerability, which stems from the SAML proxy endpoint failing to properly verify encrypted assertions. This vulnerability may lead to unauthorized access and information leakage...

CVE-2026-27135: Reachable Assertion

nghttp2 is an implementation of the Hypertext Transfer Protocol version 2 in C. Prior to version 1.68.1, the nghttp2 library stops reading the incoming data when user facing public API nghttp2sessionterminatesession or nghttp2sessionterminatesession2 is called by the application. They might be...

nghttp2 安全漏洞

nghttp2 is a C library developed under open source by nghttp2. Versions of nghttp2 prior to 1.68.1 contained security vulnerabilities; these vulnerabilities stemmed from the lack of internal state validation, which could lead to assertion failures...

Keycloak 安全漏洞

Keycloak is an open-source identity and access management solution developed by Keycloak. Keycloak has a security vulnerability, which stems from the lack of enforcement of size limits in SAML redirection bindings. This vulnerability may lead to application-level denial-of-service attacks...

nghttp2 -- CWE-617: Reachable Assertion

https://github.com/nghttp2/nghttp2/security/advisories/GHSA-6933-cjhr-5qg6 reports: nghttp2 is an implementation of the Hypertext Transfer Protocol version 2 in C. Prior to version 1.68.1, the nghttp2 library stops reading the incoming data when user facing public API nghttp2sessionterminatesessi...

ROS-20260317-73-0034

A vulnerability in the populatefreespacetree function in the fs/btrfs/free-space-tree.c module of the btrfs file system of the Linux operating system kernel is associated with a reachable assertion. Exploitation of the vulnerability could allow an attacker to cause a denial of service...

Malicious code in no-type-assertion (npm)

The package 'no-type-assertion' is part of the PhantomRaven supply chain attack campaign Wave 2. It uses a Remote Dynamic Dependency RDD technique: the published package appears benign but includes a URL-based dependency in package.json pointing to an attacker-controlled C2 server...