CVE-2026-116009
Camaleon CMS before 2.9.3 Path Traversal RCE via Media crop_url Action
- State
- Published
- Severity
- 8.7 High
- Published
- Oct 24, 2026
- Updated
- Oct 29, 2026
- Reserved
- Oct 24, 2026
Description
Camaleon CMS before 2.9.3 contains a path traversal vulnerability that allows users with only the media permission to write arbitrary files by supplying ../ sequences in the name parameter. Attackers can send a base64 data: URI to the crop_url media action to write an ERB template into a theme's views directory, which executes when rendered.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.7 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 8.8 High | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | VulnCheck |
Weaknesses
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Affected Products
| Product | Versions |
|---|---|
camaleon-cmsowen2345 |
|
References
- https://github.com/owen2345/camaleon-cms/commit/430cce27ea63a397a7b7fa0260b4ec2128ea63fdpatch
- https://github.com/owen2345/camaleon-cms/pull/1201patchissue-tracking
- https://github.com/owen2345/camaleon-cms/pull/1211issue-trackingpatch
- https://github.com/owen2345/camaleon-cms/blob/2.9.2/app/helpers/camaleon_cms/uploader_helper.rb#L277-L287technical-description
- camaleon-cms 2.9.3 Release Notesrelease-notes
- VulnCheck Advisory: Camaleon CMS before 2.9.3 Path Traversal RCE via Media crop_url Actionthird-party-advisory
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