The vulnerability of the /oauth/backchannel-logout web interface based on artificial intelligence in Open WebUI allows a perpetrator to trigger a service failure.
🗓️ 10 Sep 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec🔗 bdu.fstec.ru👁 8 Views
| Reporter | Title | Published | Views | Family All 9 |
|---|---|---|---|---|
 | CVE-2026-87011 | 9 Sep 202621:59 | – | circl |
 | CVE-2026-87011 | 9 Sep 202620:54 | – | cve |
 | CVE-2026-87011 Open WebUI: Unauthenticated requests can stall the server via uncached OIDC fetches in back-channel logout | 9 Sep 202620:54 | – | cvelist |
 | EUVD-2026-75170 | 10 Sep 202622:44 | – | euvd |
 | Open WebUI: Unauthenticated requests can stall the server via uncached OIDC fetches in back-channel logout | 10 Sep 202622:44 | – | github |
 | CVE-2026-87011 | 9 Sep 202621:17 | – | nvd |
 | GHSA-3G9Q-V48F-HH9W Open WebUI: Unauthenticated requests can stall the server via uncached OIDC fetches in back-channel logout | 10 Sep 202622:44 | – | osv |
 | PT-2026-89158 | 9 Sep 202600:00 | – | ptsecurity |
 | CVE-2026-87011 Open WebUI: Unauthenticated requests can stall the server via uncached OIDC fetches in back-channel logout | 9 Sep 202620:54 | – | vulnrichment |
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11 Sep 2026 00:00Current
6.4Medium risk
Vulners AI Score6.4
CVSS 37.5
CVSS 27.8
EPSS0.00358