CVE-2026-3059 | SGLang's multimodal generation module is vulnerable to unaut… | CVSS 9.8 CRITICAL

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.

Metadata

CVE ID: CVE-2026-3059
State: PUBLISHED
Assigner: certcc
Reserved: 2026-02-23 18:17 UTC
Published: 2026-03-12 11:37 UTC
Last updated: 2026-04-07 18:46 UTC
Primary CWE: CWE-502
CWE-502 Deserialization of Untrusted Data
Vendor / Product: SGLang / SGLang
Sources: cve.org · NVD

Severity & Metrics

9.8 CRITICAL CVSS 3.1

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

SSVC — CISA Coordinator

Exploitation: PoC
Automatable: yes
Tech. Impact: total

Affected products (1)

Vendor	Product	Platform	Versions
SGLang	SGLang	—	0.5.10

Weakness (CWE)

CWE	Source	Description
—	cna	CWE-502: Deserialization of Untrusted Data
CWE-502	adp	CWE-502 Deserialization of Untrusted Data

CVSS scores (1)

Score	Severity	Version	Source	Vector
9.8	CRITICAL	3.1	adp	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References (5)