CVE-2026-94625
CVE-2026-94625 · vLLM through 0.29.0 Resource Exhaustion via Ownerless Mooncake Transfer Placeholders
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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 6.9 · Medium · EPSS 0.5% · Fix available
- Published
- Updated
Stack: python
Affected products and versions
vllm
- Versions
- ≥ 0, ≤ 0.29.0: Affected (semver)
No fix published
vllm PyPI
- Versions
- 0.0.1
- 0.1.0
- 0.1.1
- 0.1.2
- 0.1.3
- 0.1.4
- 0.1.5
- 0.1.6
- 0.1.7
- 0.10.0
- 0.10.1
- 0.10.1.1
- 0.10.2
- 0.11.0
- 0.11.1
- 0.11.2
- 0.12.0
- 0.13.0
- 0.14.0
- 0.14.1
- 0.15.0
- 0.15.1
- 0.16.0
- 0.17.0
- 0.17.1
- 0.18.0
- 0.18.1
- 0.19.0
- 0.19.1
- 0.2.0
- 0.2.1
- 0.2.1.post1
- 0.2.2
- 0.2.3
- 0.2.4
- 0.2.5
- 0.2.6
- 0.2.7
- 0.20.0
- 0.20.1
- 0.20.2
- 0.21.0
- 0.22.0
- 0.22.1
- 0.23.0
- 0.24.0
- 0.25.0
- 0.25.1
- 0.26.0
- 0.27.0
- 0.27.1
- 0.28.0
- 0.29.0
- 0.3.0
- 0.3.1
- 0.3.2
- 0.3.3
- 0.4.0
- 0.4.0.post1
- 0.4.1
- 0.4.2
- 0.4.3
- 0.5.0
- 0.5.0.post1
- 0.5.1
- 0.5.2
- 0.5.3
- 0.5.3.post1
- 0.5.4
- 0.5.5
- 0.6.0
- 0.6.1
- 0.6.1.post1
- 0.6.1.post2
- 0.6.2
- 0.6.3
- 0.6.3.post1
- 0.6.4
- 0.6.4.post1
- 0.6.5
- 0.6.6
- 0.6.6.post1
- 0.7.0
- 0.7.1
- 0.7.2
- 0.7.3
- 0.8.0
- 0.8.1
- 0.8.2
- 0.8.3
- 0.8.4
- 0.8.5
- 0.8.5.post1
- 0.9.0
- 0.9.0.1
- 0.9.1
- 0.9.2
- Affected ranges
- ECOSYSTEM: < 0.30.0
Update to 0.30.0
Original sources
- https://github.com/vllm-project/vllm/pull/51236
- https://github.com/vllm-project/vllm/blob/v0.29.0/vllm/distributed/kv_transfer/kv_connector/v1/mooncake/mooncake_connector.py#L1234-L1242
- https://github.com/vllm-project/vllm
- https://www.vulncheck.com/advisories/vllm-through-0.29.0-resource-exhaustion-via-ownerless-mooncake-transfer-placeholders
- https://nvd.nist.gov/vuln/detail/CVE-2026-94625