CVE-2026-29071: Open WebUI IDOR allows access to other users' memories

# CVE-2026-29071: Open WebUI IDOR allows access to other users' memories

https://gcdradar.vercel.app/incidents/cve-2026-29071-open-webui-idor-allows-access-to-other-users · AIR-2026-0530 · closed 2026-03-27

- Lane: Patch now
- Severity: 2 (Disclosed vulnerability)
- Fix status: Fix status unknown
- First reported: 2026-03-27
- AI role: Attack on AI
- Products: Open WebUI
- CVE ids: CVE-2026-29071
- CVSS: 3.1

## Summary

An insecure direct object reference vulnerability in Open WebUI lets authenticated users read private memories belonging to other users. A patch has been released to address the missing ownership validation.

## What to do

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

## Latest updates

- 2026-03-27: CVE-2026-29071: Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. (https://nvd.nist.gov/vuln/detail/CVE-2026-29071)
- 2026-03-27: CVE-2026-29071: Open WebUI's Insecure Direct Object Reference (IDOR) allows access to other users' memories (https://github.com/advisories/GHSA-w9f8-gxf9-rhvw)

## Sources

- 2026-03-27 GitHub Advisory Database: CVE-2026-29071: Open WebUI's Insecure Direct Object Reference (IDOR) allows access to other users' memories https://github.com/advisories/GHSA-w9f8-gxf9-rhvw
- 2026-03-27 NVD: CVE-2026-29071: Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. https://nvd.nist.gov/vuln/detail/CVE-2026-29071

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