CVE-2026-7302 — Vulnerability in sglang — CVE Details

CRITICAL

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

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

Summary

SGLang's multimodal generation runtime is vulnerable to an unauthenticated path traversal vulnerability, allowing an attacker to write arbitrary files anywhere the server process has write access, by including ../ sequences in the upload filename when sent to specific endpoints.

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).

Package	Ecosystem	Affected	Fixed 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-35
View on MITRE

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 9.1 score means for each attack dimension.

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

High

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

References

Frequently Asked Questions

What is CVE-2026-7302?: SGLang's multimodal generation runtime has an unauthenticated path traversal vulnerability This vulnerability has been assigned a severity rating of CRITICAL (CVSS score: 9.1/10).
How do I check if my project is affected by CVE-2026-7302?: CVE-2026-7302 affects sglang. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2026-7302 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score

9.1

Exploitation is straightforward and causes maximum impact. Patch immediately.

Also Known As

GHSA-qwrp-wghp-94q2

PYSEC-2026-538

Related CVEs

CVE-2026-7304
CRITICAL
SGLang: Unauthenticated RCE via --enable-custom-logit-processor
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-2026-3059
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-2026-7301
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-2026-3059
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