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GHSA-gwv6-pq6m-p3rq

SGLanG: Multimodal scheduler deserializes untrusted pickle data on 0.0.0.0 ROUTER socket

Source: GitHub Advisory Database (reviewed) Critical CVE-2026-7301

Packages

EcosystemPackageAffectedFixed in
PyPI sglang >= 0.5.5, <= 0.5.12 no fix listed

Details

As written in the advisory (Markdown source, shown as plain text).

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

External links from the advisory. They lead to third-party sites.