CVE-2026-15976

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-15976
StatePUBLISHED
Assignercertcc
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-30 19:17:08 UTC
Updated2026-08-04 20:41:43 UTC
DescriptionSGLang 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.

Risk And Classification

Primary CVSS: v3.1 9.8 CRITICAL from ADP

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.003320000 probability, percentile 0.257650000 (date 2026-08-07)

Problem Types: CWE-502 | CWE-502: Deserialization of Untrusted Data | CWE-502 CWE-502 Deserialization of Untrusted Data

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Lmsys Sglang All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA SGLang SGLang affected v0.5.15 custom Not specified

References

ReferenceSourceLinkTags
github.com/sgl-project/sglang/security/advisories/GHSA-wf98-gv64-5wrf [email protected] github.com Broken Link
thoughts.apoorvdayal.com/posts/sglang-disclosures 134c704f-9b21-4f2e-91b3-4a467353bcc0 thoughts.apoorvdayal.com Third Party Advisory, Mitigation
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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