CVE-2026-116009: Path Traversal (CVSS 8.8)

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.

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CVSS v3.1 Score

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-22 Path Traversal

References

Other 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 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

Frequently Asked Questions

What is 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 crop_url media action to write an ERB template into a theme's views directory, which executes when rendered. It has a CVSS v3.1 base score of 8.8 (HIGH).

How severe is CVE-2026-116009? +

CVE-2026-116009 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

How do I check if I'm vulnerable to CVE-2026-116009? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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