CVE-2026-86793

critical · 9.8

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.

9.8

CVSS

0.8%

EPSS (exploit prob.)

56th

EPSS percentile

2026-09-11

Published

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

Weaknesses

CWE-94

References

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://vicone.com/blog/cve-2026-86793-sglang-bypass-could-let-attackers-run-code-on-ai-servers/

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-86793