CVE-2026-9540
MEDIUMvllm-project vllm OpenAI-compatible Serving Path denial of service
Title source: cnaDescription
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.
References (7)
Core 7
Core References
Vdb Entry vdb-entry
VDB-365601 | vllm-project vllm OpenAI-compatible Serving Path denial of service
https://vuldb.com/vuln/365601
Signature, Permissions Required signature
permissions-required
VDB-365601 | CTI Indicators (IOB, IOC, TTP)
https://vuldb.com/vuln/365601/cti
Third Party Advisory third-party-advisory
Submit #814645 | vllm-project vllm 0.19.0 Denial of Service
https://vuldb.com/submit/814645
Exploit exploit
issue-tracking
https://github.com/vllm-project/vllm/issues/37343
Patch issue-tracking
patch
https://github.com/vllm-project/vllm/pull/37594
Related related
https://ingero.io/debugging-vllm-latency-minimax-ollama-mcp/
Product product
https://github.com/vllm-project/vllm/
Scores
CVSS v3
5.3
EPSS
0.0043
EPSS Percentile
33.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-404
Status
published
Products (1)
vllm-project/vllm
0.19.0
Published
May 26, 2026
Tracked Since
May 26, 2026