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Vulnerability · Published Jun 21, 2026 · Assigned by VulDB

CVE-2026-12772BerriAI litellm PROXY_ADMIN database API Key Generator login_utils.py authenticate_user session expiration

Medium 6.3

In plain English

A medium-severity security flaw in litellm from BerriAI. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 34% of all known vulnerabilities).

Severity (CVSS 3.1)6.3Medium
Exploit odds (30 days)0.4%top 65.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

A security flaw has been discovered in BerriAI litellm up to 1.82.2. This impacts the function authenticate_user of the file litellm/proxy/auth/login_utils.py of the component PROXY_ADMIN database API Key Generator. Performing a manipulation results in session expiration. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
PyPIlitellmno fix listedGHSA-mf52-j94g-746m
PyPIlitellmno fix listedPYSEC-2026-4073

Affected products (as reported)

VendorProductVersions
BerriAI litellm 1.82.01.82.11.82.2

Weakness: CWE-613 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

References