UNKNOWN PyPI
CVE-2026-94625
PYSEC-2026-4007 · CVE-2026-94625
Published · Modified
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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.
References
- WEB https://github.com/vllm-project/vllm/blob/v0.29.0/vllm/distributed/kv_transfer/kv_connector/v1/mooncake/mooncake_connector.py#L1234-L1242
- ADVISORY https://www.vulncheck.com/advisories/vllm-through-0.29.0-resource-exhaustion-via-ownerless-mooncake-transfer-placeholders
- FIX https://github.com/vllm-project/vllm/pull/51236
- PACKAGE https://github.com/vllm-project/vllm
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