Medium severity5.3NVD Advisory· Published Apr 20, 2026· Updated Apr 22, 2026
CVE-2026-6607
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.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
fschatPyPI | <= 0.2.26 | — |
Affected products
2Patches
Vulnerability mechanics
References
9- github.com/advisories/GHSA-5h65-jx66-j7p5ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-6607ghsaADVISORY
- gist.github.com/YLChen-007/87216a2d97a882d619e11dc67cd473b5nvdWEB
- github.com/lm-sys/FastChat/commit/c9e84b89c91d45191dc24466888de526fa04cf33nvdWEB
- github.com/lm-sys/FastChat/issues/3833nvdWEB
- github.com/lm-sys/FastChat/pull/3835nvdWEB
- vuldb.com/submit/792227nvdWEB
- vuldb.com/vuln/358242nvdWEB
- vuldb.com/vuln/358242/ctinvdWEB
News mentions
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