CVE detail
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 select_eval custom field type. Attackers can store an attacker-controlled Ruby expression in the field options command parameter, which is evaluated via instance_eval within an ERB view whenever a post edit page is rendered, achieving server-side code execution with web server process privileges.
Buzz score
Why this CVE is surfacing
This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.
Buzz score components · mention 19.5 · diversity 11.5 · KEV 0.0 · OTX 0.0 · PoC 0.0
Why it matters now
Mention timeline
- Total mentions
- 6
- within the 30d window
- Peak daily
- 6
- highest bucket
Evidence
Source links by recency
6 source links · newest first
No excerpt available.
referencetpaidakis.comJul 28, 2026, 4:20 PM- https://www.vulncheck.com/advisories/camaleon-cms-authenticated-rce-via-select-eval-custom-fieldwww.vulncheck.com
No excerpt available.
Exploitwww.vulncheck.comJul 28, 2026, 4:20 PM No excerpt available.
Exploitgithub.comJul 28, 2026, 4:20 PMNo excerpt available.
Exploitgithub.comJul 28, 2026, 4:20 PMNo excerpt available.
Exploitgithub.comJul 28, 2026, 4:20 PMNo excerpt available.
Exploitgithub.comJul 28, 2026, 4:20 PM
Exploit code
Public exploit repository references
Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.
0 repository references · best confidence N/A · max 0 stars
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