CVE-2026-125364 frab through 0.9.1 Privilege Escalation via conference_users_attributes in UsersController
High 8.6
Published
Updated
Check this codebase for CVE-2026-125364 and fix it if it is affected.
What it is: CVE-2026-125364 is a high-severity vulnerability in frab, published on 9 Nov 2026.
Exploitation: There is no known exploitation of CVE-2026-125364 in the wild and no public exploit code.
Affected product: frab. No package-level version data is available, so check the vendor advisory linked from the reference page.
Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.
Reference: https://insights.sbomify.com/CVE-2026-125364/ (Markdown: https://insights.sbomify.com/CVE-2026-125364/index.md)
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-125364?
CVE-2026-125364 is a high-severity vulnerability in frab, published on 9 Nov 2026.
Official 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.
Weakness: CWE-269
Which versions are affected by CVE-2026-125364?
How do I fix CVE-2026-125364?
No fix has been published for CVE-2026-125364 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-125364 being exploited?
There is no known exploitation of CVE-2026-125364 in the wild and no public exploit code.
Sources
Also known as GHSA-4jvq-vx5m-qjj9.