CVE-2026-3059

CRITICAL

9.8

Description

SGLang's multimodal generation module is vulnerable to unauthenticated remote code execution through the ZMQ broker, which deserializes untrusted data using pickle.loads() without authentication.

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published3/12/2026

Last Modified3/17/2026

Sourcenvd

Honeypot Sightings0

Affected Products

lmsys:sglang

Weaknesses (CWE)

CWE-502

References

https://github.com/sgl-project/sglang/blob/main/python/sglang/multimodal_gen/runtime/scheduler_client.py(cret@cert.org)

https://github.com/sgl-project/sglang/security/advisories/GHSA-3cp7-c6q2-94xr(cret@cert.org)

https://orca.security/resources/blog/sglang-llm-framework-rce-vulnerabilities/(cret@cert.org)

IOC Correlations

No correlations recorded

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