Auth bypass in Owen2345 Camaleon Cms
CVE-2026-120430
Camaleon CMS before 2.9.2 contains an insecure direct object reference vulnerability in Admin::CategoriesController that allows authenticated users to modify unauthorized categories by referencing arbitrary category IDs. Users authorized for one post type can send update or destroy requests pairing another category ID with their authorized post_type_id to rename or delete categories.
Vulnerability class: IDOR (Insecure Direct Object Reference)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/owen2345/camaleon-cms/pull/1148 (issue-tracking, patch)
- github.com/owen2345/camaleon-cms/commit/fa465e994bcbf4e7be4605853c204b73dea7bbc5 (patch)
- github.com/owen2345/camaleon-cms/blob/2.9.1/app/controllers/camaleon_cms/admin/… (technical-description)
- github.com/owen2345/camaleon-cms/releases/tag/2.9.2 (release-notes)
- www.vulncheck.com/advisories/camaleon-cms-before-2.9.2-idor-via-admin-categorie… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-120430?
- CVE-2026-120430 is a medium-severity vulnerability in Owen2345 Camaleon Cms, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 5.4/10. Published 2026-11-02.
- How severe is CVE-2026-120430?
- Medium severity. CVSS v3 base score is 5.4 out of 10.