CVE-2026-6607
lm-sys fastchat Worker API Endpoint api_generate resource consumption
Vexday Risk Score
33Atención
Decisión SSVC (CISA)
Attend
PoC disponible → seguir de cerca
CVSS 6.9EPSS 0.6%KEV nãoPoC públicaNuclei —Metasploit —Patch referenciado
Ciclo de vida
20 abr 2026Publicada en NVD
Recomendación: Planificar corrección próxima — ya existe PoC pública.
A security vulnerability has been detected in lm-sys fastchat up to 0.2.36. This issue affects the function api_generate of the component Worker API Endpoint. The manipulation leads to resource consumption. The attack can be initiated remotely. The exploit has been disclosed publicly and may be used. The identifier of the patch is c9e84b89c91d45191dc24466888de526fa04cf33. It is suggested to install a patch to address this issue. Commit ff66426 patched this issue in api_generate of base_model_worker.py and did miss other entry points.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
Productos afectados
lm-sys · fastchatPoCs públicas encontradas — 1
cve_referencegist.github.com/YLChen-007/87216a2d97a882d619e11dc67cd473b5no verificado⚠ Recursos públicos, para evaluar la exposición de sistemas que controlas o estás autorizado a probar. Prueba solo con autorización.
¿Quieres saber si tu infraestructura está expuesta a esto?
Hablar con TrueHacking →Referencias
https://gist.github.com/YLChen-007/87216a2d97a882d619e11dc67cd473b5https://github.com/lm-sys/FastChat/https://github.com/lm-sys/FastChat/commit/c9e84b89c91d45191dc24466888de526fa04cf33https://github.com/lm-sys/FastChat/issues/3833https://github.com/lm-sys/FastChat/pull/3835https://vuldb.com/submit/792227https://vuldb.com/vuln/358242https://vuldb.com/vuln/358242/cti