Notification-Controller data forgery vulnerability

Notification-Controller is a GitOps notification controller open source in the Flux project. Versions of Notification-Controller prior to 1.8.3 had a data manipulation vulnerability. This vulnerability stemmed from the lack of verification of the email claim for Google OIDC tokens, which could...

PT-2026-31735

Name of the Vulnerable Software and Affected Versions Flux notification-controller versions prior to 1.8.3 Description Flux notification-controller is the event forwarder and notification dispatcher for the GitOps Toolkit controllers. The gcr Receiver type does not validate the email claim of...

Security Bulletin: Fulcio OIDC Token Parsing DoS Vulnerability in extractIssuerURL affects watsonx.data

Summary ulcio prior to 1.8.3 is vulnerable to a Denial-of-Service DoS issue where malicious OIDC tokens containing excessive period characters can trigger high memory allocation during parsing. This can affect watsonx.data. Vulnerability Details CVEID:CVE-2025-66506 DESCRIPTION: Fulcio is a...

cumulusci (>=2.5.6, <=3.7.0), lgblkb-tools (>=1.0.60, <=1.0.66) +2 more potentially affected by CVE-2026-39373 via jwcrypto (0.6.0)

jwcrypto PYPI version 0.6.0 is affected by a known vulnerability. The following packages have a transitive dependency on jwcrypto and may be impacted: - cumulusci =2.5.6, =1.0.60, =0.0.0, =1.4.5, =1.7.0 Source cves: CVE-2026-39373 Source advisory: OSV:GHSA-FJRM-76X2-C4Q4...

cumulusci (>=2.5.6, <=3.7.0), lgblkb-tools (>=1.0.60, <=1.0.66) +2 more potentially affected by CVE-2026-39373 via jwcrypto (0.6.0)

jwcrypto PYPI version 0.6.0 is affected by a known vulnerability. The following packages have a transitive dependency on jwcrypto and may be impacted: - cumulusci =2.5.6, =1.0.60, =0.0.0, =1.4.5, =1.7.0 Source cves: CVE-2026-39373 Source advisory: OSV:PYSEC-2026-70...

CVE-2026-35030

A flaw was found in LiteLLM, a proxy server for Large Language Model LLM APIs. When JSON Web Token JWT authentication is enabled, the OIDC user information cache uses a truncated portion of the token as a cache key. An unauthenticated attacker can exploit this by crafting a JWT with the same...

CVE-2026-35030

LiteLLM is a proxy server AI Gateway to call LLM APIs in OpenAI or native format. Prior to 1.83.0, when JWT authentication is enabled enablejwtauth: true, the OIDC userinfo cache uses token:20 as the cache key. JWT headers produced by the same signing algorithm generate identical first 20...

CVE-2026-35030

LiteLLM is a proxy server AI Gateway to call LLM APIs in OpenAI or native format. Prior to 1.83.0, when JWT authentication is enabled enablejwtauth: true, the OIDC userinfo cache uses token:20 as the cache key. JWT headers produced by the same signing algorithm generate identical first 20...

CVE-2026-35030 LiteLLM has an authentication bypass via OIDC userinfo cache key collision

LiteLLM is a proxy server AI Gateway to call LLM APIs in OpenAI or native format. Prior to 1.83.0, when JWT authentication is enabled enablejwtauth: true, the OIDC userinfo cache uses token:20 as the cache key. JWT headers produced by the same signing algorithm generate identical first 20...

CVE-2026-35030

LiteLLM (proxy for LLM APIs) contains an authentication bypass flaw when JWT/OIDC authentication is enabled. The OIDC userinfo cache key is derived from the first 20 characters of the token, allowing an unauthenticated attacker to craft a token whose prefix matches a legitimate user’s cached toke...

CVE-2026-35030 LiteLLM has an authentication bypass via OIDC userinfo cache key collision

LiteLLM is a proxy server AI Gateway to call LLM APIs in OpenAI or native format. Prior to 1.83.0, when JWT authentication is enabled enablejwtauth: true, the OIDC userinfo cache uses token:20 as the cache key. JWT headers produced by the same signing algorithm generate identical first 20...

CVE-2026-35030 LiteLLM has an authentication bypass via OIDC userinfo cache key collision

LiteLLM is a proxy server AI Gateway to call LLM APIs in OpenAI or native format. Prior to 1.83.0, when JWT authentication is enabled enablejwtauth: true, the OIDC userinfo cache uses token:20 as the cache key. JWT headers produced by the same signing algorithm generate identical first 20...

User Impersonation

Overview litellm is a Library to easily interface with LLM API providers Affected versions of this package are vulnerable to User Impersonation in the getoidcuserinfo function. An attacker can gain unauthorized access to another user's identity and permissions by crafting a token with the same...

GHSA-JJHC-V7C2-5HH6 LiteLLM: Authentication bypass via OIDC userinfo cache key collision

Impact When JWT authentication is enabled enablejwtauth: true, the OIDC userinfo cache uses token:20 as the cache key. JWT headers produced by the same signing algorithm generate identical first 20 characters. This configuration option is not enabled by default. Most instances are not affected. A...

GHSA-CXJ8-GGF2-P57C Signal K Server: OAuth Authorization Code Theft via Unvalidated Host Header in OIDC Flow

Summary SignalK Server contains a code-level vulnerability in its OIDC login and logout handlers where the unvalidated HTTP Host header is used to construct the OAuth2 redirecturi. Because the redirectUri configuration is silently unset by default, an attacker spoof the Host header to steal OAuth...

Signal K Server: OAuth Authorization Code Theft via Unvalidated Host Header in OIDC Flow

Summary SignalK Server contains a code-level vulnerability in its OIDC login and logout handlers where the unvalidated HTTP Host header is used to construct the OAuth2 redirecturi. Because the redirectUri configuration is silently unset by default, an attacker spoof the Host header to steal OAuth...

Origin Validation Error

Overview signalk-server is an An implementation of a Signal K server for boats. Affected versions of this package are vulnerable to Origin Validation Error via the construction of the redirectUri and fullPostLogoutUri using an unvalidated Host header in the OIDC authentication and logout processe...

EUVD-2026-18376

Signal K Server: OAuth Authorization Code Theft via Unvalidated Host Header in OIDC Flow...

CVE-2026-34083

Signal K Server is a server application that runs on a central hub in a boat. Prior to version 2.24.0, SignalK Server contains a code-level vulnerability in its OIDC login and logout handlers where the unvalidated HTTP Host header is used to construct the OAuth2 redirecturi. Because the redirectU...

PT-2026-30279

Name of the Vulnerable Software and Affected Versions LiteLLM versions prior to 1.83.0 Description A critical authentication bypass can occur in LiteLLM when JWT authentication is enabled, due to an OIDC userinfo cache key collision. The OIDC userinfo cache uses the first 20 characters of the tok...