CVE-2026-125364 json
frab through 0.9.1 Privilege Escalation via conference_users_attributes in UsersController
published 2d ago modified yesterday also EUVD-2026-120527
- cvss
- 8.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 23%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- github.com/frab/frab@8d14d49 commit
Is CVE-2026-125364 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- yesterday
Exploit prediction
0.30% chance of exploitation in the next 30 days, higher than 23% of all scored CVEs (FIRST EPSS, 2026-11-11).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 8.6 | 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 |
| CNA | 3.1 | 8.1 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N |
| CNA | 4.0 | 8.6 | 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
Affected products
- frab frab
Classification
- Weakness
-
- CWE-269 Improper Privilege Management
References
-
github.com
/frab/frab/commit/8d14d491ac73f2e19030e95a86b6575106270eeb
patch
-
github.com
/frab/frab/issues/1053
issue-tracking
-
github.com
/frab/frab
product
-
github.com
/frab/frab/blob/0.9.1/app/controllers/users_controller.rb#L51
technical-description
-
vulncheck.com
/advisories/frab-through-0.9.1-privilege-escalation-via-conference-users-attributes-in-userscontroller
third-party-advisory
Sources
- CVE List CVE-2026-125364
- NVD CVE-2026-125364
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.