CVE-2026-93355 LiteLLM - Authentication Bypass

LiteLLM contains a broken authentication vulnerability caused by lack of verification of the email_verified claim in JWT authentication flow, letting attackers with valid JWTs authenticate as any user and gain persistent admin access, exploit requires valid JWT from configured identity provider.

CVSS base score 8.1 /10
High
CISA KEV
Not listed
Public exploit
Proof of concept available
Authentication
Required
EPSS
0.27% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Authentication Bypass
Impact
Broken Authentication
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Published
28 September 2026
Updated
15 October 2026
Weakness
CWE-1390

Vendor fix

Update to the latest version that verifies the email_verified claim in JWT authentication flow.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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