← CVE Intelligence

CVE-2026-45349

Open WebUI: Broken Access Control for Completions API PUBLISHED

Description (CNA)

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, a user just needs to use the API endpoint: /api/chat/completions with their own API key (generated in OWUI) and the Chat ID of another user to continue the conversation of the other user. This vulnerability is fixed in 0.9.0.

Affected (CNA)

Vendor / productVersions
open-webui / open-webuiaffected < 0.9.0

CWE

CWE-639

References

ADP enrichment

CISA-ADP

No English description supplied.