SB2025012786 - Deserialization of Untrusted Data in vLLM

Description

This security bulletin contains information about 1 vulnerability.

1) Deserialization of Untrusted Data (CVE-ID: CVE-2025-24357)

CWE-ID: CWE-502 - Deserialization of Untrusted Data

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green

The vulnerability allows a remote attacker to execute arbitrary code.

The vulnerability exists due to deserialization of untrusted data in hf_model_weights_iterator in vllm/model_executor/weight_utils.py when loading a model checkpoint downloaded from Hugging Face with torch.load. A remote attacker can supply a malicious model checkpoint to execute arbitrary code.

User interaction is required to fetch the pretrained repository remotely.

Remediation

Install update from vendor's website.

References

• https://github.com/vllm-project/vllm/security/advisories/GHSA-rh4j-5rhw-hr54
• https://github.com/vllm-project/vllm/pull/12366