CVE-2026-6607

Description

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.

References

https://vuldb.com/vuln/358242/cti

https://vuldb.com/vuln/358242

https://vuldb.com/submit/792227

https://github.com/lm-sys/FastChat/pull/3835

https://github.com/lm-sys/FastChat/issues/3833

https://github.com/lm-sys/FastChat/commit/c9e84b89c91d45191dc24466888de526fa04cf33

https://github.com/lm-sys/FastChat/

https://gist.github.com/YLChen-007/87216a2d97a882d619e11dc67cd473b5

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3

CVSS v4