Vulnerability 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.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://gist.github.com/YLChen-007/87216a2d97a882d619e11dc67cd473b5
- https://github.com/lm-sys/FastChat/
- https://github.com/lm-sys/FastChat/commit/c9e84b89c91d45191dc24466888de526fa04cf
- https://github.com/lm-sys/FastChat/issues/3833
- https://github.com/lm-sys/FastChat/pull/3835
- https://vuldb.com/submit/792227
- https://vuldb.com/vuln/358242
- https://vuldb.com/vuln/358242/cti
FAQ
What is CVE-2026-6607?
CVE-2026-6607 is a vulnerability with a CVSS score of 5.3 (MEDIUM). 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 consum...
How severe is CVE-2026-6607?
CVE-2026-6607 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-6607?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.