Camaleon CMS before 2.9.2 contains a missing authorization vulnerability in Admin::MediaController that allows
Source GCVE Database
Not known to be exploited · CVSS 7.1 High : upgrade to 2.9.2 soon.
Data as of 2 Nov 2026, 16:58 UTC
Thin evidence
One scorer or none| CNA (VulnCheck) | CVSS 4.0 | 7.1 |
|---|---|---|
| CNA (VulnCheck) | CVSS 3.1 | 7.1 |
- Patch
- Available – fixed in 2.9.2
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 2 Nov 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2 Nov 2026.
What to do
Upgrade Camaleon CMS to 2.9.2.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| owen2345Camaleon CMS | Affected
| Fixed in
|
RubyGemsCamaleon CMSpkg:gem/Camaleon CMSOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
A fix is available in Camaleon CMS version 2.9.2. Users should upgrade to version 2.9.2 or later to remediate this vulnerability. No other mitigation or temporary workaround is indicated in the available data.
Description
Camaleon CMS versions prior to 2.9.2 have a missing authorization vulnerability in the Admin::MediaController. This flaw allows authenticated users with low privileges to bypass role-based media permissions, enabling unauthorized file uploads, access to private media files, and modification of other users' avatars.
References
- nvd.nist.gov/vuln/detail/CVE-2026-120429 (opens in a new tab)
- github.com/owen2345/camaleon-cms/pull/1147 (opens in a new tab)
- github.com/owen2345/camaleon-cms/commit/7fe4fa0bf99256dfe32b5f674baf4f771606549e (opens in a new tab)
- github.com/owen2345/camaleon-cms/blob/2.9.1/app/controllers/camaleon_cms/admin/media_controller.rb (opens in a new tab)
- github.com/owen2345/camaleon-cms/releases/tag/2.9.2 (opens in a new tab)
- vulncheck.com/advisories/camaleon-cms-before-2.9.2-missing-authorization-via-admin-mediacontroller (opens in a new tab)