CVE-2026-93355

The LiteLLM platform is vulnerable to a weak JWT authentication flaw caused by an email-based fallback lookup that fails to verify the email_verified claim. An attacker with a valid JWT from a configured identity provider can authenticate as any existing user by using an unverified email address ...

CVE-2026-93355 LiteLLM Weak JWT Authentication via Email-Based User Lookup

LiteLLM contains a weak authentication vulnerability that allows an attacker holding a valid JWT from the configured identity provider to authenticate as any existing user by exploiting an email-based fallback lookup in the JWT authentication flow without verifying the emailverified claim...