CVE-2026-15976

Summary

SGLang contains a RCE vulnerability when attempting to load model weights from a HuggingFace repository, specifically within the /update_weights_from_disk, where torch.load(…, weights_only=False) fallback enables pickle deserialization of .bin files.

Affected Software

Weaknesses

• CWE-502: Deserialization of Untrusted Data

References

• https://github.com/sgl-project/sglang/security/advisories/GHSA-wf98-gv64-5wrf
• https://thoughts.apoorvdayal.com/posts/sglang-disclosures/

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