Bug 2491108 (CVE-2026-12771)

Summary: CVE-2026-12771 litellm: Litellm: Improper authorization vulnerability
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: dschmidt, ebourniv, hasun, ilpinto, jlanda, jwong, kshier, lgallett, ltomasbo, nyancey, omaciel, ptisnovs, sbunciak, simaishi, stcannon, teagle, ttakamiy, yguenane, ykashtan
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
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A flaw was found in BerriAI litellm. A remote attacker can exploit an improper authorization vulnerability within the M2M JWT Handler. This could allow unauthorized access, leading to a low impact on the confidentiality, integrity, and availability of affected resources.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Description OSIDB Bzimport 2026-06-21 02:01:10 UTC 
A vulnerability was identified in BerriAI litellm up to 1.82.2. This affects an unknown function of the file litellm/proxy/auth/user_api_key_auth.py of the component M2M JWT Handler. Such manipulation leads to improper authorization. The attack can be launched remotely. A high complexity level is associated with this attack. The exploitability is reported as difficult. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure.