CVE-2026-27135

A flaw was found in nghttp2. Due to missing internal state validation, the library continues to process incoming data even after a session has been terminated. A remote attacker could exploit this by sending a specially crafted HTTP/2 frame, leading to an assertion failure and a denial of service...

SUSE 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 be...

EUVD-2026-12919

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 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...

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...

CVE-2026-28477

OpenClaw versions prior to 2026.2.14 contain an oauth state validation bypass vulnerability in the manual Chutes login flow that allows attackers to bypass CSRF protection. An attacker can convince a user to paste attacker-controlled OAuth callback data, enabling credential substitution and token...

CVE-2026-28477

OpenClaw versions prior to 2026.2.14 contain an oauth state validation bypass vulnerability in the manual Chutes login flow that allows attackers to bypass CSRF protection. An attacker can convince a user to paste attacker-controlled OAuth callback data, enabling credential substitution and token...

GHSA-7RCP-MXPQ-72PJ OpenClaw Chutes manual OAuth state validation bypass can cause credential substitution

Summary The manual Chutes OAuth login flow could accept attacker-controlled callback input in a way that bypassed OAuth CSRF state validation, potentially resulting in credential substitution. Impact If an attacker can convince a user to paste attacker-provided OAuth callback data during the manu...

OpenClaw Chutes manual OAuth state validation bypass can cause credential substitution

Summary The manual Chutes OAuth login flow could accept attacker-controlled callback input in a way that bypassed OAuth CSRF state validation, potentially resulting in credential substitution. Impact If an attacker can convince a user to paste attacker-provided OAuth callback data during the manu...

PT-2026-23552

Name of the Vulnerable Software and Affected Versions OpenClaw versions prior to 2026.2.14 Description The manual Chutes OAuth login flow in OpenClaw is susceptible to a bypass of OAuth CSRF state validation. This allows an attacker to bypass CSRF protection by convincing a user to paste...

SUSE CVE-2026-24408

sigstore-python is a Python tool for generating and verifying Sigstore signatures. Prior to version 4.2.0, the sigstore-python OAuth authentication flow is susceptible to Cross-Site Request Forgery. OAuthSession creates a unique "state" and sends it as a parameter in the authentication request bu...

EUVD-2026-4729

sigstore-python is a Python tool for generating and verifying Sigstore signatures. Prior to version 4.2.0, the sigstore-python OAuth authentication flow is susceptible to Cross-Site Request Forgery. OAuthSession creates a unique "state" and sends it as a parameter in the authentication request bu...

PT-2026-26134

Name of the Vulnerable Software and Affected Versions nghttp2 versions prior to 1.68.1 Description nghttp2 is a C implementation of the Hypertext Transfer Protocol version 2. Versions of nghttp2 prior to 1.68.1 are susceptible to a denial-of-service condition. This occurs because the library does...

GO-2025-4168 Mattermost fails to properly validate OAuth state tokens during OpenID Connect authentication in github.com/mattermost/mattermost-server

Mattermost fails to properly validate OAuth state tokens during OpenID Connect authentication in github.com/mattermost/mattermost-server. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. If this is causin...

Cross-site Request Forgery (CSRF)

Overview fastapi-sso is a FastAPI plugin to enable SSO to most common providers such as Facebook login, Google login and login via Microsoft Office 365 Account Affected versions of this package are vulnerable to Cross-site Request Forgery CSRF due to the improper validation of the OAuth state...

CVE-2025-27935

The OTP Integration Kit for PingFederate fails to enforce HTTP method validation and state validation properly. The server advances the authentication state without verifying the OTP, thereby bypassing multi-factor authentication...

CVE-2025-27935

The OTP Integration Kit for PingFederate fails to enforce HTTP method validation and state validation properly. The server advances the authentication state without verifying the OTP, thereby bypassing multi-factor authentication...