CVE-2026-44565: Open WebUI Arbitrary File Write, Delete via Path Traversal

# CVE-2026-44565: Open WebUI Arbitrary File Write, Delete via Path Traversal

https://gcdradar.vercel.app/incidents/cve-2026-44565-open-webui-arbitrary-file-write-delete-via-pa · AIR-2026-0645 · closed 2026-05-11

- Lane: Patch now
- Severity: 2 (Disclosed vulnerability)
- Fix status: Fix status unknown
- First reported: 2026-05-11
- AI role: Attack on AI
- Products: Open WebUI
- CVE ids: CVE-2026-44565
- CVSS: 8.1

## Summary

Open WebUI is vulnerable to path traversal allowing file uploads to arbitrary locations on the server filesystem. The advisory details how uploaded files can be written and subsequently deleted.

## What to do

No action recorded; read the sources below and the vendor's advisory.

## Latest updates

- 2026-05-15: CVE-2026-44565: Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. (https://nvd.nist.gov/vuln/detail/CVE-2026-44565)
- 2026-05-11: CVE-2026-44565: Open WebUI Arbitrary File Write, Delete via Path Traversal (https://github.com/advisories/GHSA-j3fw-wc48-29g3)

## Sources

- 2026-05-11 GitHub Advisory Database: CVE-2026-44565: Open WebUI Arbitrary File Write, Delete via Path Traversal https://github.com/advisories/GHSA-j3fw-wc48-29g3
- 2026-05-15 NVD: CVE-2026-44565: Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. https://nvd.nist.gov/vuln/detail/CVE-2026-44565

Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.