CVE-2026-9540
vllm-project vllm OpenAI-compatible Serving Path denial of service
CVSS Score
5.3
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-404 |
| Vendor | vllm-project |
| Product | vllm |
| Published | May 26, 2026 |
| Last Updated | May 26, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
vllm-project / vllm
0.19.0
References
vuldb.com: https://vuldb.com/vuln/365601 vuldb.com: https://vuldb.com/vuln/365601/cti vuldb.com: https://vuldb.com/submit/814645 github.com: https://github.com/vllm-project/vllm/issues/37343 github.com: https://github.com/vllm-project/vllm/pull/37594 ingero.io: https://ingero.io/debugging-vllm-latency-minimax-ollama-mcp/ github.com: https://github.com/vllm-project/vllm/
Credits
🔍 Zyz3366 (VulDB User) VulDB CNA Team