CVE-2026-7301: SGLanG: Multimodal scheduler deserializes untrusted pickle data on 0.0.0.0 ROUTER socket

May 18, 2026 (updated May 29, 2026)

SGLang’s multimodal generation runtime scheduler’s ROUTER socket binds to 0.0.0.0 by default and contains a sink that calls pickle.loads() on incoming messages, enabling RCE when exposed to the internet.

References

antiproof.ai/blog/three-rces-in-sglang
github.com/advisories/GHSA-gwv6-pq6m-p3rq
github.com/sgl-project/sglang/tree/main/python/sglang
nvd.nist.gov/vuln/detail/CVE-2026-7301

Code Behaviors & Features

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