OCTOBER 7, 2026
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Case File

CVE-2026-88856

CRITICAL · CVSS 9.4 EPSS 0.67% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-09-20 · Last synced 2026-10-07

CyberRota Analysis

AI-Generated

The OrdaSoft Joomla Gallery extension for Joomla versions prior to 6.2.7 is vulnerable to authenticated, privileged remote code execution due to improper handling of user input in the updateOSGallery() method. This flaw allows attackers with valid credentials to execute arbitrary PHP functions, potentially leading to full system compromise. Joomla administrators and users of the affected extension should prioritize immediate updates to mitigate this critical vulnerability.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
remote code execution code execution

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-88856
Severity
CRITICAL
CVSS
9.4
EPSS
0.67%

Original NVD Description

Joomla Extension - OrdaSoft.com - Authenticated, Privileged Remote Code Execution in OrdaSoft Joomla Gallery extension for Joomla < 6.2.7 - The extensions updateOSGallery(), reached via task=update_osgallery, read a JSON request body and called the value of a method field as a live PHP function, passing the value of a package field as its single argument, with no allow-list or is_callable() check of any kind. Any function name compatible with a single argument was directly reachable, including system, exec, shell_exec, and passthru.