CVE-2026-15976

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.

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/sgl-project/sglang/security/advisories/GHSA-wf98-gv64-5wrf	Broken Link
https://thoughts.apoorvdayal.com/posts/sglang-disclosures/	Third Party Advisory Mitigation
https://thoughts.apoorvdayal.com/posts/sglang-disclosures/	Third Party Advisory Mitigation

Configurations

Configuration 1 (hide)

cpe:2.3:a:lmsys:sglang:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-07-30 19:17

Updated : 2026-08-04 20:41

NVD link : CVE-2026-15976

Mitre link : CVE-2026-15976

CVE.ORG link : CVE-2026-15976

JSON object : View

Products Affected

lmsys

sglang

CWE

CWE-502

Deserialization of Untrusted Data

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