CVE-2026-125364

frab through 0.9.1 Privilege Escalation via conference_users_attributes in UsersController

Published Nov 9, 2026 CVSS 4.0 · 8.6 High EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Frab
Frab frab
Vendors & Products Frab
Frab frab
Type Values Removed Values Added
Description 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.
Title frab through 0.9.1 Privilege Escalation via conference_users_attributes in UsersController
Weaknesses CWE-269
References
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N'}

cvssV4_0

{'score': 8.6, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Nov 10, 2026, 4:26 PM
Reserved
Nov 9, 2026, 10:03 PM
Status
Deferred
Published
Nov 10, 2026, 12:17 AM
Modified
Nov 12, 2026, 9:09 PM