Vulnerability Description
vLLM through 0.29.0 contains a resource exhaustion vulnerability in MooncakeConnector where rejected prefill requests create ownerless transfer placeholders that are never reclaimed. Attackers can send rejected requests to exhaust sender task pools, causing valid requests to be delayed by up to 480 seconds while health checks continue returning success.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Vllm | Vllm | <= 0.29.0 |
Related Weaknesses (CWE)
References
- https://github.com/vllm-project/vllmProduct
- https://github.com/vllm-project/vllm/blob/v0.29.0/vllm/distributed/kv_transfer/kProduct
- https://github.com/vllm-project/vllm/pull/51236Issue TrackingPatch
- https://www.vulncheck.com/advisories/vllm-through-0.29.0-resource-exhaustion-viaThird Party Advisory
FAQ
What is CVE-2026-94625?
CVE-2026-94625 is a vulnerability with a CVSS score of 5.3 (MEDIUM). vLLM through 0.29.0 contains a resource exhaustion vulnerability in MooncakeConnector where rejected prefill requests create ownerless transfer placeholders that are never reclaimed. Attackers can sen...
How severe is CVE-2026-94625?
CVE-2026-94625 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-2026-94625?
Check the references section above for vendor advisories and patch information. Affected products include: Vllm Vllm.