CVE-2026-15976

State: Published
Severity: 9.8 Critical
Published: Jul 30, 2026
Updated: Jul 31, 2026
Reserved: Jul 16, 2026

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	9.8 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	CISA-ADP

Weaknesses

CWE-502 Deserialization of Untrusted Data

Affected Products

Product	Versions
SGLangSGLang	v0.5.15 and earlierAffected

References

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

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