CVE-2026-7301 | SGLangs multimodal generation runtime scheduler's ROUTER soc… | CVSS 9.8 CRITICAL

Description

SGLangs multimodal generation runtime scheduler's ROUTER socket binds to 0.0.0.0 by default and contains a sink that calls pickle.loads() on incoming messages, enabling RCE when exposed to the internet.

Metadata

CVE ID: CVE-2026-7301
State: PUBLISHED
Assigner: certcc
Reserved: 2026-04-28 11:43 UTC
Published: 2026-05-18 10:38 UTC
Last updated: 2026-05-18 14:06 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: none
Automatable: yes
Tech. Impact: total

Affected products (1)

Vendor	Product	Platform	Versions
SGLang	SGLang	—	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 (2)