Deserialization in Vllm-project Vllm
CVE-2025-30165
vLLM is an inference and serving engine for large language models. In a multi-node vLLM deployment using the V0 engine, vLLM uses ZeroMQ for some multi-node communication purposes. The secondary vLLM hosts open a `SUB` ZeroMQ socket and co…
Vulnerability class: Insecure Deserialization
EPSS: 0.004 (63.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.0 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Vllm-project Vllm — versions >= 0.5.2, <= 0.8.5.post1
Weakness classification (CWE)
References
- https://github.com/vllm-project/vllm/security/advisories/GHSA-9pcc-gvx5-r5wm (x_refsource_CONFIRM)
- https://github.com/vllm-project/vllm/blob/c21b99b91241409c2fdf9f3f8c542e8748b317be/vllm/distributed/device_communicators/shm_broadcast.py#L295-L301 (x_refsource_MISC)
- https://github.com/vllm-project/vllm/blob/c21b99b91241409c2fdf9f3f8c542e8748b317be/vllm/distributed/device_communicators/shm_broadcast.py#L468-L470 (x_refsource_MISC)
Frequently asked questions
- What is CVE-2025-30165?
- CVE-2025-30165 is a high-severity vulnerability in Vllm-project Vllm, classified under Deserialization of Untrusted Data. CVSS score: 8.0/10. Published 2025-05-06.
- How severe is CVE-2025-30165?
- High severity. CVSS v3 base score is 8.0 out of 10.