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CVE-2026-7304 — Vulnerability in sglang — CVE Details

CRITICAL

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

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

Summary

SGLang's multimodal generation runtime is vulnerable to unauthenticated remote code execution when the --enable-custom-logit-processor option is enabled, as Python objects loaded via dill.loads() will be deserialized without validation.

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
0.4.1.post7, 0.4.10, 0.4.10.post1, 0.4.10.post2 (+73 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-2026-7304?
SGLang: Unauthenticated RCE via --enable-custom-logit-processor 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-2026-7304?
CVE-2026-7304 affects sglang. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2026-7304 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-36m8-w8qf-g76p
PYSEC-2026-535

Related CVEs

  • CVE-2026-7301
    CRITICAL

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

  • 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-2026-7301
    CRITICAL

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

  • 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

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