CVE-2026-120429

HIGH 7.1

Camaleon CMS before 2.9.2 Missing Authorization via Admin::MediaController

CVSS Score

7.1

EPSS Score

0.0%

EPSS Percentile

0th

Camaleon CMS before 2.9.2 contains a missing authorization vulnerability in Admin::MediaController that allows low-privileged authenticated users to bypass the role-based Media permission. Attackers can POST to /admin/media/upload to store files, read private media via download_private_file, and use crop with saved_avatar to change other users' avatars.

CWE	CWE-862
Vendor	owen2345
Product	camaleon cms
Published	Nov 2, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

Low

Availability

None

Affected Versions

owen2345 / Camaleon CMS

0 < 2.9.2

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/owen2345/camaleon-cms/pull/1147 github.com: https://github.com/owen2345/camaleon-cms/commit/7fe4fa0bf99256dfe32b5f674baf4f771606549e github.com: https://github.com/owen2345/camaleon-cms/blob/2.9.1/app/controllers/camaleon_cms/admin/media_controller.rb github.com: https://github.com/owen2345/camaleon-cms/releases/tag/2.9.2 vulncheck.com: https://www.vulncheck.com/advisories/camaleon-cms-before-2.9.2-missing-authorization-via-admin-mediacontroller

Credits

Seoyoung Kang (AhnLab, Inc.) texpert