CVE-2026-7302

Critical

Description

SGLangs 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.

SeverityCritical
CVSS9.1
Exploit probability—
ProductLmsys Sglang
PublishedMay 18, 2026
First seenMay 18, 2026
Weakness typeCWE-35CWE-35

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
lmsys sglang0.5.10—
sglangPyPI0.5.5 ≤ v ≤ 0.5.12—

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