Vulnerability Description
Camaleon CMS versions 2.7.5 through 2.9.1 fail to validate redirect targets when fetching remote files in the Upload from URL media feature. Authenticated attackers can supply URLs that pass initial validation but redirect to internal network addresses, allowing server-side request forgery to internal services.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://github.com/owen2345/camaleon-cms
- https://github.com/owen2345/camaleon-cms/blob/2.9.1/app/helpers/camaleon_cms/upl
- https://github.com/owen2345/camaleon-cms/commit/3c46b6e512518ded476226162305c8ea
- https://github.com/owen2345/camaleon-cms/pull/1133
- https://github.com/owen2345/camaleon-cms/releases/tag/2.9.2
- https://www.vulncheck.com/advisories/camaleon-cms-2.7.5-through-2.9.1-ssrf-via-h
FAQ
What is CVE-2026-86100?
CVE-2026-86100 is a vulnerability with a CVSS score of 6.4 (MEDIUM). Camaleon CMS versions 2.7.5 through 2.9.1 fail to validate redirect targets when fetching remote files in the Upload from URL media feature. Authenticated attackers can supply URLs that pass initial v...
How severe is CVE-2026-86100?
CVE-2026-86100 has been rated MEDIUM with a CVSS base score of 6.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-86100?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.