BerriAI litellm MCP Proxy user_api_key_auth_mcp.py UserAPIKeyAuth improper authentication
33Vexday Risk Score
Sin señal de explotación. Ella tiene prueba de concepto pública.
ssvc Attendcvss 6.9epss 0.6%
probabilidad de explotación
0.6%top 54% de las CVE
explotación observada
noninguna fuente lo reporta
1 exploit(s) público(s)
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.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
Productos afectados
BerriAI · litellmPoCs públicas encontradas — 1
cve_referencegist.github.com/YLChen-007/3cfaad10a69d7a15e4d4d458cb53309eno verificado⚠ Recursos públicos, para evaluar la exposición de sistemas que controlas o estás autorizado a probar. Prueba solo con autorización.
Referencias
https://access.redhat.com/security/cve/CVE-2026-12773https://bugzilla.redhat.com/show_bug.cgi?id=2491112https://gist.github.com/YLChen-007/3cfaad10a69d7a15e4d4d458cb53309ehttps://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-12773.jsonhttps://vuldb.com/cve/CVE-2026-12773https://vuldb.com/submit/811282https://vuldb.com/vuln/372515https://vuldb.com/vuln/372515/cti