CVE-2026-66916 Joomla Extension - joomgalleryfriends.net - Password-Protected Category Bypass via JSON Format in JoomGallery < 4.4.0
Unauthenticated attackers can bypass password protection on JoomGallery categories by accessing the JSON view, exposing restricted content.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-66916?
CVE-2026-66916 is a medium-severity authentication bypass vulnerability in joomgalleryfriends.net JoomGallery extension for Joomla, published on 22 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Joomla Extension - joomgalleryfriends.net - Password-Protected Category Bypass via JSON Format in JoomGallery < 4.4.0- An unauthenticated access control bypass exists in JoomGallery's category JSON view. When a gallery category is protected with a password, the HTML view correctly enforces the password gate - but the JSON view ( format=json ) skips this check entirely.
Weakness: CWE-284
Which versions are affected by CVE-2026-66916?
How do I fix CVE-2026-66916?
No fix has been published for CVE-2026-66916 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-66916 being exploited?
There is no known exploitation of CVE-2026-66916 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-g79m-pfhw-2c5m.