CVE-2026-120429

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.

CVSS v3 7.1 HIGH

7.1^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 4.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

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

Configurations

No configuration.

History

02 Nov 2026, 15:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-11-02 15:17

Updated : 2026-11-02 16:17

NVD link : CVE-2026-120429

Mitre link : CVE-2026-120429

CVE.ORG link : CVE-2026-120429

JSON object : View

Products Affected

No product.

CWE

CWE-862

Missing Authorization

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