Vulnerability · Published Nov 2, 2026 · Assigned by VulnCheck

CVE-2026-120430Camaleon CMS before 2.9.2 IDOR via Admin::CategoriesController

Medium 5.4

In plain English

A medium-severity authorization bypass via user-controlled key in Camaleon CMS from owen2345. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 20% of all known vulnerabilities).

Severity (CVSS 3.1)5.4Medium

Exploit odds (30 days)0.3%top 79.6% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

Vendor	Product	Versions
owen2345	Camaleon CMS	0 – before 2.9.2

Weakness: CWE-639 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

References

https://github.com/owen2345/camaleon-cms/pull/1148 patch, issue-tracking
https://github.com/owen2345/camaleon-cms/commit/fa465e994bcbf4e7be4605853c204b73dea7bbc5 patch
https://github.com/owen2345/camaleon-cms/blob/2.9.1/app/controllers/camaleon_cms/admin/categories_controller.rb technical-description
Camaleon CMS 2.9.2 Release Notes release-notes
VulnCheck Advisory: Camaleon CMS before 2.9.2 IDOR via Admin::CategoriesController third-party-advisory