RCE in Owen2345 Camaleon-cms
CVE-2026-66748
Camaleon CMS versions 2.1.1 through 2.9.1 contains an authenticated remote code execution vulnerability that allows users with custom_fields manage permission to execute arbitrary Ruby code by supplying a malicious expression through the s…
Vulnerability class: RCE (Remote Code Execution)
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Owen2345 Camaleon-cms — versions 2.1.1, 2.9.2
Weakness classification (CWE)
References
- disclosure@vulncheck.com (technical-description, exploit)
- disclosure@vulncheck.com (release-notes)
- disclosure@vulncheck.com (issue-tracking)
- disclosure@vulncheck.com (patch)
- disclosure@vulncheck.com (third-party-advisory)
Frequently asked questions
- What is CVE-2026-66748?
- CVE-2026-66748 is a high-severity vulnerability in Owen2345 Camaleon-cms, classified under Code Injection. CVSS score: 8.8/10. Published 2026-07-28.
- How severe is CVE-2026-66748?
- High severity. CVSS v3 base score is 8.8 out of 10.