Duplicate Advisory: vllm p2p never connected zmq_exhaustion
GHSA-8qpc-6rxx-4pxf
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Description
Duplicate Advisory
This advisory has been withdrawn because it is a duplicate of GHSA-frvg-qw88-hww9. This link is maintained to preserve external references.
Original Description
vLLM through 0.29.0 contains a denial of service vulnerability in P2P KV offloading when OffloadingConnector is configured with TieringOffloadingSpec and a peer-to-peer secondary tier. Attackers can supply arbitrary remote host and port values in kv_transfer_params to create unreachable peer sessions that retain ZeroMQ sockets until the context quota is exhausted, causing an uncaught ZMQError that crashes EngineCore and stops all inference.
References
- ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2026-94624
- WEB https://github.com/vllm-project/vllm/pull/51504
- WEB https://github.com/pypa/advisory-database/tree/main/vulns/vllm/PYSEC-2026-4006.yaml
- WEB https://github.com/vllm-project/vllm
- WEB https://github.com/vllm-project/vllm/blob/v0.29.0/vllm/v1/kv_offload/tiering/p2p/control/zmq.py#L240-L260
- WEB https://github.com/vllm-project/vllm/blob/v0.29.0/vllm/v1/kv_offload/tiering/p2p/manager.py#L667-L677
- WEB https://www.vulncheck.com/advisories/vllm-through-0.29.0-denial-of-service-via-unbounded-p2p-kv-offloading-sessions
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