CVE-2026-120429
Published:November 02, 2026
Updated:November 04, 2026
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.
Affected Packages
https://github.com/owen2345/camaleon-cms.git (GITHUB):
Affected version(s) >=0.1.7 <2.9.2 || =v2.0.0 <2.9.2 || =v2.1.1.3 <2.9.2 || >=2.1.1 <2.9.2Fix Suggestion:
Update to version 2.9.2camaleon_cms (RUBY):
Affected version(s) >=1.0 <2.9.2 || >=2.0.1 <2.9.2 || >=0.0.1 <2.9.2Fix Suggestion:
Update to version 2.9.2Related Resources (8)
Do you need more information?
Contact UsCVSS v4
Base Score:
7.1
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
LOW
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.1
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
LOW
Availability
NONE
Weakness Type (CWE)
Missing Authorization
EPSS
Base Score:
0.35