# CVE-2026-88856: OrdaSoft Joomla Gallery authenticated remote code execution

Source: https://junglewise.ai/threats/cve-2026-88856-joomla-extension-ordasoft-com-authenticated-privileged-remote  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-09-20. Updated: 2026-09-26  
License: CC BY 4.0 with a link back

CVE-2026-88856 · Severity: info · Published 2026-09-20

OrdaSoft Joomla Gallery is a content management extension that allows website administrators to manage image galleries on Joomla-based websites. An authenticated administrator can execute arbitrary system commands on the web server by sending a specially crafted request to the update function, potentially allowing full compromise of the website and underlying server.

Technologies: [OrdaSoft Joomla Gallery](https://junglewise.ai/threats/technologies/joomla-gallery). Vendors: [OrdaSoft](https://junglewise.ai/threats/vendors/ordasoft).

## Quick answers

**Is CVE-2026-88856 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-88856 being exploited in the wild.

**How severe is CVE-2026-88856?** Informational severity, published 20 September 2026.

**Which products and versions are affected?** OrdaSoft Joomla Gallery before 6.2.7.

**Is there a fix for CVE-2026-88856?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-88856 attacked?** It is attacked over the network, in a software library.

**Am I affected by CVE-2026-88856?** Check whether you run OrdaSoft Joomla Gallery at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

The updateOSGallery() method in OrdaSoft Joomla Gallery accepts a JSON request body containing method and package fields without validating or restricting which PHP functions can be called. An attacker with administrative privileges can invoke arbitrary single-argument PHP functions (such as system, exec, shell_exec, or passthru) by specifying them in the method field and passing shell commands via the package field. No fix information is provided in the advisory.

## Affected products

- OrdaSoft Joomla Gallery before 6.2.7

## Timeline

- 2026-09-20: disclosed

## References

- [https://www.ordasoft.com/](https://www.ordasoft.com/)

## Related threats

- [OrdaSoft Joomla Gallery arbitrary file upload and code execution](https://junglewise.ai/threats/cve-2026-88857-joomla-extension-ordasoft-com-authenticated-privileged-remote)
- [OrdaSoft Joomla Gallery SQL injection](https://junglewise.ai/threats/cve-2026-88855-joomla-extension-ordasoft-com-authenticated-privileged-sql)
- [OrdaSoft Joomla Gallery SQL injection in search module](https://junglewise.ai/threats/cve-2026-88854-joomla-extension-ordasoft-com-unauthenticated-sql-injection-in)