Security vulnerabilities and automated fixes for cve 2026 35030 issues
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LiteLLM versions prior to 1.87.0 contained a critical vulnerability in OIDC userinfo caching that allowed attackers to bypass authentication and escalate privileges through cache key collisions. By upgrading to version 1.87.0, applications eliminate the attack surface that could permit unauthorized users to assume the identity of legitimate authenticated users. This fix is essential for any production system using LiteLLM's OIDC integration.