CVE-2026-126394
vLLM 0.30.0 before 0.31.0 Resource Exhaustion via OpenPangu Video Backend num_frames
CVSS Score
5.3
EPSS Score
0.0%
EPSS Percentile
0th
vLLM 0.30.0 before 0.31.0 contains a resource exhaustion vulnerability in OpenCVDynamicOpenPanguVideoBackend, which uses request-controlled num_frames without an effective ceiling. Unauthenticated attackers can send /v1/chat/completions or /tokenize requests selecting the openpangu video_backend with a huge num_frames, forcing np.linspace allocations and CPU work that OOM-kill the API server.
| CWE | CWE-770 |
| Vendor | vllm-project |
| Product | vllm |
| Published | Nov 13, 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 Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low
Affected Versions
vllm-project / vllm
0.30.0 < 0.31.0
References
Credits
🔍 gn00295120 jperezdealgaba