CVE-2026-67284 Joomla Extension - tabaoca.org - Improper ACL checks allow file operations in Cotton Cloud < 2.0.2
Authenticated users can perform unauthorized file operations on other users' files due to improper ACL checks in the Cotton Cloud extension.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-67284?
CVE-2026-67284 is a medium-severity missing authorization vulnerability in tabaoca.org Cotton Cloud extension for Joomla, published on 12 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Joomla Extension - tabaoca.org - Improper ACL implementation allows file operations in Cotton Cloud < 2.0.3 - Authenticated users could perform various file-related operations (read, delete, overwrite, re-assign permissions) on files owned by other users.
Weakness: CWE-284
Which versions are affected by CVE-2026-67284?
How do I fix CVE-2026-67284?
No fix has been published for CVE-2026-67284 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-67284 being exploited?
There is no known exploitation of CVE-2026-67284 in the wild and no public exploit code.
Sources
Also known as GHSA-mcj5-vx8j-3qrg.