CVE-2024-9052: vLLM deserialization vulnerability in vllm.distributed.GroupCoordinator.recv_object

March 20, 2025 (updated March 21, 2025)

vllm-project vllm version 0.6.0 contains a vulnerability in the distributed training API. The function vllm.distributed.GroupCoordinator.recv_object() deserializes received object bytes using pickle.loads() without sanitization, leading to a remote code execution vulnerability.

References

github.com/advisories/GHSA-pgr7-mhp5-fgjp
github.com/vllm-project/vllm
github.com/vllm-project/vllm/blob/32e7db25365415841ebc7c4215851743fbb1bad1/vllm/distributed/parallel_state.py
huntr.com/bounties/ea75728f-4efe-4a3d-9f53-33f2c908e9f8
nvd.nist.gov/vuln/detail/CVE-2024-9052

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