What is GHSA-m675-99qc-9233?

GHSA-m675-99qc-9233 is a security advisory published by GitHub Security Advisories with Critical severity. SGLang allows unauthenticated pickle deserialization through /update_weights_from_tensor when no...

Which CVE IDs does GHSA-m675-99qc-9233 cover?

GHSA-m675-99qc-9233 covers the following CVE IDs: CVE-2026-86793. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-m675-99qc-9233?

GHSA-m675-99qc-9233 has a CVSS v3 base score of 9.8, published by GitHub Security Advisories.

GHSA-m675-99qc-9233CriticalCVSS 9.8

SGLang allows unauthenticated pickle deserialization through /update_weights_from_tensor when no...

Vendor

GitHub Security Advisories

Published

September 11, 2026

Last Modified

September 14, 2026

🔗 CVE IDs covered (1)

CVE-2026-86793 →

📋 Description

SGLang allows unauthenticated pickle deserialization through /update_weights_from_tensor when no auth keys are configured, and the SafeUnpickler policy can be bypassed because builtins.import and builtins.getattr are resolvable, enabling code execution via pickle REDUCE.

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-86793
https://github.com/sgl-project/sglang/tree/main
https://vicone.com/blog/cve-2026-86793-sglang-bypass-could-let-attackers-run-code-on-ai-servers
https://github.com/advisories/GHSA-m675-99qc-9233