What is CVE-2026-44566?

CVE-2026-44566 is a high-severity vulnerability in Open-webui, classified under Path Traversal. CVSS score: 7.3/10. Published 2026-05-15.

How severe is CVE-2026-44566?

High severity. CVSS v3 base score is 7.3 out of 10.

Path Traversal in Open-webui

CVE-2026-44566

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.1.124, when attaching files to a promp, the name of the file is derived from the original HTTP upload request and is not validate…

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.001 (23.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

Affected products

Open-webui — versions < 0.1.124
Openwebui Open_webui

Weakness classification (CWE)

CWE-22 — Path Traversal
CWE-434 — Unrestricted Upload of File with Dangerous Type

References

security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)

Frequently asked questions

What is CVE-2026-44566?: CVE-2026-44566 is a high-severity vulnerability in Open-webui, classified under Path Traversal. CVSS score: 7.3/10. Published 2026-05-15.
How severe is CVE-2026-44566?: High severity. CVSS v3 base score is 7.3 out of 10.