Fiche vulnérabilité
CVE-2026-12773 : faille critique litellm litellm (CVSS 9.8)
Description
A weakness has been identified in BerriAI litellm up to 1.59.8. Affected is the function UserAPIKeyAuth of the file litellm/proxy/_experimental/mcp_server/auth/user_api_key_auth_mcp.py of the component MCP Proxy. Executing a manipulation can lead to improper authentication. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure.
En bref
- Sévérité
- Critique (CVSS 9.8)
- Vecteur CVSS
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Exploitation active
- Non signalée par la CISA
- Publication
- 21 juin 2026
- Dernière mise à jour
- 15 juil. 2026
Produits concernés
- litellm litellm
Références
- Fiche CVE-2026-12773 sur le NVD (NIST)
- gist.github.com/YLChen-007/3cfaad10a69d7a15e4d4d458cb53309e
- vuldb.com/cve/CVE-2026-12773
- vuldb.com/submit/811282
- vuldb.com/vuln/372515
- vuldb.com/vuln/372515/cti
- access.redhat.com/security/cve/CVE-2026-12773
- bugzilla.redhat.com/show_bug.cgi
- security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-12773.json