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.

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact Low

Subsequent System Integrity Impact Low

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Changed

Confidentiality Impact Low

Integrity Impact Low

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
owen2345 CamaleonCMS unaffected
Version Status Constraints
2.7.5 affected < 2.9.2

No data.

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Project Subscriptions

Vendors Products
Tuzitio Subscribe
Camaleon Cms Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/owen2345/camaleon-cms cve-icon cve-icon
https://github.com/owen2345/camaleon-cms/blob/2.9.1/app/helpers/camaleon_cms/uploader_helper.rb cve-icon cve-icon
https://github.com/owen2345/camaleon-cms/commit/3c46b6e512518ded476226162305c8eae00aac3f cve-icon cve-icon
https://github.com/owen2345/camaleon-cms/pull/1133 cve-icon cve-icon
https://github.com/owen2345/camaleon-cms/releases/tag/2.9.2 cve-icon cve-icon
https://www.vulncheck.com/advisories/camaleon-cms-2.7.5-through-2.9.1-ssrf-via-http-redirect-in-upload-from-url cve-icon cve-icon
History

Fri, 04 Sep 2026 23:30:00 +0000

Type Values Removed Values Added
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.
Title Camaleon CMS 2.7.5 through 2.9.1 SSRF via HTTP Redirect in Upload from URL
First Time appeared Tuzitio
Tuzitio camaleon Cms
Weaknesses CWE-918
CPEs cpe:2.3:a:tuzitio:camaleon_cms:*:*:*:*:*:*:*:*
Vendors & Products Tuzitio
Tuzitio camaleon Cms
References
Metrics cvssV3_1

{'score': 6.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N'}

cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-09-04T23:16:23.223Z

Reserved: 2026-09-04T22:51:22.722Z

Link: CVE-2026-86100

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-05T00:17:20.810

Modified: 2026-09-05T00:17:20.810

Link: CVE-2026-86100

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-05T00:30:18Z

Weaknesses