Unrated severityNVD Advisory· Published Sep 11, 2026

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Sgl Project/Sglangreferences2 versions
(expand)+ 1 more
- (no CPE)
- (no CPE)

Patches

Vulnerability mechanics

References

github.com/sgl-project/sglang/tree/mainnvd
vicone.com/blog/cve-2026-86793-sglang-bypass-could-let-attackers-run-code-on-ai-servers/nvd

News mentions

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