Camaleon CMS before 2.9.3 contains a path traversal vulnerability that allows users with only the media permission to write arbitrary files…
CVE-2026-116009
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 cropurl media action to write an ERB template into a theme's views directory, which executes when rendered.
Assessment
- CVSS
- 8.7 (v4.0)
- Severity
- High
- Known exploited
- Not listed in CISA KEV
- Exploit availability
- Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
- Published
- 24 October 2026
- Last updated
- 29 October 2026
- Weakness
- CWE-22
- Assigner
- disclosure@vulncheck.com
CVSS vectorCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
At the source
References
- 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
- https://github.com/owen2345/camaleon-cms/releases/tag/2.9.3
- https://www.vulncheck.com/advisories/camaleon-cms-before-2.9.3-path-traversal-rce-via-media-crop-url-action
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