CVE-2026-116009

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.

References

• https://gist.github.com/lukmanazri/b7e76a1ddc84dc977800013c53f671b5
• https://github.com/owen2345/camaleon-cms/blob/2.9.2/app/helpers/camaleon_cms/uploader_helper.rb#L277-L287
• https://github.com/owen2345/camaleon-cms/commit/430cce27ea63a397a7b7fa0260b4ec2128ea63fd
• https://github.com/owen2345/camaleon-cms/pull/1201
• https://github.com/owen2345/camaleon-cms/pull/1211