CRITICAL 9.8
PYSEC-2026-536
SGLanG: Multimodal scheduler deserializes untrusted pickle data on 0.0.0.0 ROUTER socket
Details
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.
Are you affected?
Enter the version of the package you're using.
Affected packages
PyPI / sglang
Introduced in:
0.5.5 No fixed version published yet for sglang (pip). Pin to a known-safe version or switch to an alternative.
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-7301 [ADVISORY]
- https://antiproof.ai/blog/three-rces-in-sglang [WEB]
- https://github.com/sgl-project/sglang [PACKAGE]
- https://github.com/sgl-project/sglang/tree/main/python/sglang [WEB]
- https://pypi.org/project/sglang [PACKAGE]
- https://github.com/advisories/GHSA-gwv6-pq6m-p3rq [ADVISORY]