What is CVE-2026-7302?

CVE-2026-7302 is a critical-severity vulnerability in Lmsys Sglang, classified under Path Traversal: '.../...//'. CVSS score: 9.1/10. Published 2026-05-18.

How severe is CVE-2026-7302?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Path Traversal in Lmsys Sglang

CVE-2026-7302

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 fi…

EPSS: 0.001 (27.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H.

Affected products

Lmsys Sglang — versions 0.5.10
Sglang — versions 5.10

Weakness classification (CWE)

CWE-35 — Path Traversal: '.../...//'

References

cret@cert.org (Product)
cret@cert.org (Permissions Required)

Frequently asked questions

What is CVE-2026-7302?: CVE-2026-7302 is a critical-severity vulnerability in Lmsys Sglang, classified under Path Traversal: '.../...//'. CVSS score: 9.1/10. Published 2026-05-18.
How severe is CVE-2026-7302?: Critical severity. CVSS v3 base score is 9.1 out of 10.