Vulnerability Description
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 Score
MEDIUM
Related Weaknesses (CWE)
References
- https://github.com/vllm-project/vllm/
- https://github.com/vllm-project/vllm/issues/37343
- https://github.com/vllm-project/vllm/pull/37594
- https://ingero.io/debugging-vllm-latency-minimax-ollama-mcp/
- https://vuldb.com/submit/814645
- https://vuldb.com/vuln/365601
- https://vuldb.com/vuln/365601/cti
FAQ
What is CVE-2026-9540?
CVE-2026-9540 is a vulnerability with a CVSS score of 5.3 (MEDIUM). 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...
How severe is CVE-2026-9540?
CVE-2026-9540 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-2026-9540?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.