Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

1. May 15, 2026 · NIST NVD

   Detected

   Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.8.11, the API /api/v1/notes/{note_id} endpoint lacks proper authorization checks, allowing authenticated users to retrieve notes belonging to other users by guessing or enumerating UUIDs. This results in unauthorized disclosure of potentially sensitive or private user data. This vulnerabil

2. Jun 17, 2026 · NIST NVD

   Updated

   Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.8.11, the API /api/v1/notes/{note_id} endpoint lacks proper authorization checks, allowing authenticated users to retrieve notes belonging to other users by guessing or enumerating UUIDs. This results in unauthorized disclosure of potentially sensitive or private user data. This vulnerabil

Affected

• cpe openwebui/open webuiversion unspecified

Sources

• CVE.orgVulnerability recordCVE-2026-45666

  Official CVE identifier

  cve.org
• NIST NVDVulnerability recordCVE-2026-45666

  Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.8.11, the API /api/v1/notes/{note_id} endpoint lacks proper authorization checks, allowing authenticated users to retrieve notes belonging to other users by guessing or e

  nvd.nist.gov

References

• Exploit · github.com