CVE-2026-7302: Lmsys Sglang

Critical severity, CVSS 9.1. EPSS: 0.6% chance of exploitation in the next 30 days.

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.

Affected products

• Lmsys Sglang: version 0.5.10 only

Published 2026-05-18. Last modified 2026-06-17.