CVE-2026-9540: medium-severity vulnerability in vllm-project vllm
vllm-project vllm OpenAI-compatible Serving Path denial of service
Published
33Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 6.9epss 0.7%
exploitation probability
0.7%top 47% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
A vulnerability was identified in vllm-project vllm 0.19.0. This issue affects some unknown processing of the component OpenAI-compatible Serving Path. Such manipulation leads to denial of service. It is possible to launch the attack remotely. The exploit is publicly available and might be used. The pull request to fix this issue awaits acceptance.
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
Affected products
vllm-project · vllmpublic PoCs found — 1
cve_referencegithub.com/vllm-project/vllm/issues/37343unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
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