PT-2026-79526 · Joomla · Joomgallery

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CVE-2026-66916

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Published

2026-08-22

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Updated

2026-08-25

CVSS v4.0

6.9

Medium

VectorAV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Name of the Vulnerable Software and Affected Versions JoomGallery versions prior to 4.3.1
Description An unauthenticated access control bypass exists in the category JSON view. While the HTML view correctly enforces password protection for gallery categories, the JSON view fails to perform this check when the format parameter is set to json.
Recommendations Update to version 4.3.1 or later. Avoid using the format parameter with the value json in category views until the update is applied.

Fix

Improper Access Control

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Weakness Enumeration

Related Identifiers

CVE-2026-66916

Affected Products

Joomgallery