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CVE-2026-45675

HIGH · CVSS 8.1 EPSS %0.11 Public Exploit

Kaynak: NVD + CISA KEV + EPSS · Yayınlanma: 2026-05-15T20:16:49.220 · Çekilme zamanı: 2026-06-09T06:01:42.689020+00:00

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Public Exploit Sinyali

Bu CVE için açıklama veya referanslarda public exploit / PoC / GitHub / Metasploit sinyali tespit edildi.

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CVE
CVE-2026-45675
Severity
HIGH
CVSS
8.1
EPSS
%0.11

Orijinal NVD Açıklaması

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, he LDAP and OAuth authentication flows use a TOCTOU (Time-of-Check-Time-of-Use) pattern for first-user admin role assignment. The regular signup handler (signup_handler in auths.py, line 663) was explicitly patched to prevent this race with the comment "Insert with default role first to avoid TOCTOU race", but the LDAP and OAuth code paths were never updated with the same fix. This vulnerability is fixed in 0.9.0.