Bug 2570063 (CVE-2026-125364)

Summary: CVE-2026-125364 frab: frab: Privilege escalation via unchecked nested user attributes
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: high Docs Contact:
Priority: high    
Version: unspecifiedKeywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in frab. This vulnerability allows an authenticated crew user to achieve privilege escalation by submitting unchecked nested user attributes during user profile creation or update operations. By exploiting this issue to bypass permission filters, an attacker can grant themselves organizer privileges on any conference, obtaining full administrative control over conference events, schedules, reviewers, and staff.
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Description OSIDB Bzimport 2026-11-10 19:33:55 UTC 
frab through 0.9.1 contains a privilege escalation vulnerability that allows authenticated crew users to grant themselves orga roles by submitting unchecked nested conference_users_attributes. Attackers can abuse UsersController#update or #create, which skip filter_conference_users, to gain orga on any conference and fully manage its events, schedule, reviewers and crew.