CVE-2026-3059

Published: Mar 12, 2026Modified: Jun 17, 2026

9.8

Vector

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

Exploitability: 3.9 / Impact: 5.9

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

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.

Affected (1)

Products: Lmsys: Sglang

Lmsys

1 product

Sglang

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Lmsys Sglang	From 0.5.5 to 0.5.9

Related CWEs

CWE-502

Deserialization of Untrusted Data

The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid.

References (5)

https://github.com/sgl-project/sglang/blob/main/python/sglang/multimodal_gen/runtime/scheduler_client.py

Source: cret@cert.org

Product

https://github.com/sgl-project/sglang/pull/20904

Source: cret@cert.org

https://github.com/sgl-project/sglang/releases/tag/v0.5.10

Source: cret@cert.org

https://github.com/sgl-project/sglang/security/advisories/GHSA-3cp7-c6q2-94xr

Source: cret@cert.org

Broken Link

https://orca.security/resources/blog/sglang-llm-framework-rce-vulnerabilities/

Source: cret@cert.org

ExploitMitigationThird Party Advisory

Timeline

No history available yet.