CVE-2026-45345
Open WebUI: Missing authorization check at the model update function - models from other users can be updated
Vexday Risk Score
13Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS 6.5EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —
Lifecycle
15 May 2026Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.5.7, a user can modify another user's model even if its visibility is set to Private. By changing the access permissions during editing, unauthorized access can be gained. This vulnerability is fixed in 0.5.7.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Affected products
open-webui · open-webuiWant to know if your infrastructure is exposed to this?
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