CVE-2026-45675
TOCTOU race in LDAP/OAuth admin role assignment enables auth bypass.
Is CVE-2026-45675 being exploited?
Not confirmed. CVE-2026-45675 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.35% probability of exploitation in the next 30 days.
How severe is CVE-2026-45675?
CVE-2026-45675 is rated High with a CVSS score of 8.1. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-45675?
Yes. A fix has been recorded for CVE-2026-45675. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-45675 affect?
CVE-2026-45675 affects Open WebUI self-hosted AI platform (pre-0.9.0) - LDAP/OAuth paths. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-45675?
Upgrade to 0.9.0+; verify LDAP/OAuth auth config.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Privilege escalation to admin via race during first-user signup; could compromise the instance.
Patch when possible
- affected< 0.9.0
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.