What is GHSA-fgrv-mjcr-vg2p?

GHSA-fgrv-mjcr-vg2p is a security advisory published by GitHub Security Advisories with High severity. Joomla! Core - [20260905] - Core - Arbitrary directory deletion via cache purge action in Joomla...

Which CVE IDs does GHSA-fgrv-mjcr-vg2p cover?

GHSA-fgrv-mjcr-vg2p covers the following CVE IDs: CVE-2026-90915. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

GHSA-fgrv-mjcr-vg2pHigh

Joomla! Core - [20260905] - Core - Arbitrary directory deletion via cache purge action in Joomla...

Vendor

GitHub Security Advisories

Published

September 29, 2026

Last Modified

September 29, 2026

🔗 CVE IDs covered (1)

CVE-2026-90915 →

📋 Description

Joomla! Core - [20260905] - Core - Arbitrary directory deletion via cache purge action in Joomla 4.0.0-5.4.8, 6.0.0-6.1.3 -An improper validation of the cache group name allowed path traverals in the file storage of the caching layer, resulting in arbitrary directory deletions.

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-90915
https://developer.joomla.org/security-centre/1085-20260905-core-arbitrary-directory-deletion-via-cache-purge-action.html
https://www.joomla.org
https://github.com/advisories/GHSA-fgrv-mjcr-vg2p