CVE-2024-46986: Camaleon CMS is a dynamic and advanced content management system based on Ruby on Rails

Q: How do I fix CVE-2024-46986?

camaleon cms: upgrade to 2.8.2. Exact commands for each OS are on this page.

Q: Is CVE-2024-46986 being exploited?

CVE-2024-46986 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2024-46986 affect?

CVE-2024-46986 affects camaleon cms. Severity is critical (CVSS 9.9). Camaleon CMS is a dynamic and advanced content management system based on Ruby on Rails. An arbitrary file write vulnerability accessible via the upload method of the MediaController allows authenticated users to write arbitrary files to an

Q: How urgent is CVE-2024-46986?

Priority 64/100. Critical severity; EPSS top 1%: very likely to be exploited; Public exploit reference

This week

CRITICAL 9.9UPGRADE

CVE-2024-46986 is a critical-severity flaw (CVSS 9.9) affecting camaleon cms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Camaleon CMS is a dynamic and advanced content management system based on Ruby on Rails. An arbitrary file write vulnerability accessible via the upload method of the MediaController allows authenticated users to write arbitrary files to any location on the web server Camaleon CMS is running on (depending on the permissions of the underlying filesystem). E.g. This can lead to a delayed remote code execution in case an attacker is able to write a

Why this priority

Critical severity
EPSS top 1%: very likely to be exploited
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	9.9 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	37.1% (top 1%)
CISA exploited list	No
Weakness	CWE-74, CWE-22
Published	2024-09-18
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: tuzitio

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-09-18 18:15 UTCPublished CVE record published
2026-06-17 07:56 UTCUpdated Record last modified

tuzitio camaleon cms UPGRADE

Affected: < 2.8.2

Fixed in: 2.8.2

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy camaleon-cms || rpm -q camaleon-cms || camaleon-cms --version

2. UPGRADE to 2.8.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade camaleon-cms

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade camaleon-cms

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Nuclei scan template: Camaleon CMS < 2.8.1 Arbitrary File Write to RCE

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-46986?

camaleon cms: upgrade to 2.8.2. Exact commands for each OS are on this page.

Is CVE-2024-46986 being exploited?

CVE-2024-46986 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-46986 affect?

CVE-2024-46986 affects camaleon cms. Severity is critical (CVSS 9.9). Camaleon CMS is a dynamic and advanced content management system based on Ruby on Rails. An arbitrary file write vulnerability accessible via the upload method of the MediaController allows authenticated users to write arbitrary files to an

How urgent is CVE-2024-46986?

Priority 64/100. Critical severity; EPSS top 1%: very likely to be exploited; Public exploit reference

Software pages

Ruby on Rails vulnerabilities · Ruby vulnerabilities

Related CVEs

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CVE-2024-46987 HIGH 7.7 UPGRADE Camaleon CMS is a dynamic and advanced content management system based on Ruby on Rails
CVE-2023-53936 MEDIUM 4.8 DOWNGRADE Cameleon CMS 2.7.4 contains a persistent cross-site scripting vulnerability that allows authenticated administ

References

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