Loading...
Skip to main content
GeekWala

CVE-2026-7301 — Vulnerability in sglang — CVE Details

CRITICAL

SGLanG: Multimodal scheduler deserializes untrusted pickle data on 0.0.0.0 ROUTER socket

Published May 18, 2026Updated June 29, 2026Source: osv

Summary

SGLang's 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.

Advisory Timeline

  • First published May 18, 2026 (147 days ago).
  • Last revised June 29, 2026 — 42 days after initial publication.

Affected Packages (1)

Affects 1 ecosystem: pypi (1).

PackageEcosystemAffectedFixed In
sglang
pypi
0.5.10, 0.5.10.post1, 0.5.10rc0, 0.5.11 (+12 more)Range-based data available

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

  • CWE-502
    Deserialization of Untrusted DataMITRE

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 9.8 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

References

Frequently Asked Questions

What is CVE-2026-7301?
SGLanG: Multimodal scheduler deserializes untrusted pickle data on 0.0.0.0 ROUTER socket This vulnerability has been assigned a severity rating of CRITICAL (CVSS score: 9.8/10).
How do I check if my project is affected by CVE-2026-7301?
CVE-2026-7301 affects sglang. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2026-7301 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
9.8

Exploitation is straightforward and causes maximum impact. Patch immediately.

Also Known As

GHSA-gwv6-pq6m-p3rq
PYSEC-2026-536

Related CVEs

  • CVE-2026-7304
    CRITICAL

    SGLang: Unauthenticated RCE via --enable-custom-logit-processor

  • CVE-2026-3060
    CRITICAL

    SGLang's encoder parallel disaggregation system is vulnerable to unauthenticated remote code execution through the disaggregation module

  • CVE-2026-7302
    CRITICAL

    SGLang's multimodal generation runtime has an unauthenticated path traversal vulnerability

  • CVE-2026-3059
    CRITICAL

    SGLang's multimodal generation module is vulnerable to unauthenticated remote code execution through the ZMQ broker

  • CVE-2026-7304
    CRITICAL

    SGLang: Unauthenticated RCE via --enable-custom-logit-processor

  • CVE-2026-3060
    CRITICAL

    SGLang's encoder parallel disaggregation system is vulnerable to unauthenticated remote code execution through the disaggregation module

  • CVE-2026-7302
    CRITICAL

    SGLang's multimodal generation runtime has an unauthenticated path traversal vulnerability

  • CVE-2026-3059
    CRITICAL

    SGLang's multimodal generation module is vulnerable to unauthenticated remote code execution through the ZMQ broker

Check if you're affected

Scan your dependencies to see if this vulnerability affects your projects.

Scan Your Dependencies