vLLM: Public multimodal SHM handle forgery reaches worker-side `pickle.loads()` with insecure serialization disabled

Date Oct 28, 2026
Type Vendor advisory
Signal High-risk advisory
Vendor / Product PyPI ยท vllm
CVE CVE-2026-115912
High-risk advisory CVE-2026-115912

Summary

vLLM: Public multimodal SHM handle forgery reaches worker-side `pickle.loads()` with insecure serialization disabled

Why it matters

GitHub has published a reviewed security advisory for vllm. Prioritize it with other application dependency updates, especially because EPSS places it in the 43% percentile.

Operator check

Check whether vllm is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. EPSS probability: 0.5%; percentile: 43%.

Sources

PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.