CVE-2026-90915

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.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.2 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://developer.joomla.org/security-centre/1085-20260905-core-arbitrary-directory-deletion-via-cache-purge-action.html	Patch Vendor Advisory
https://www.joomla.org/	Product

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:joomla:joomla\!::::::::
	cpe:2.3:a:joomla:joomla\!::::::::

History

06 Oct 2026, 16:33

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 6.5
First Time		Joomla joomla\! Joomla
References	~~() https://developer.joomla.org/security-centre/1085-20260905-core-arbitrary-directory-deletion-via-cache-purge-action.html -~~	() https://developer.joomla.org/security-centre/1085-20260905-core-arbitrary-directory-deletion-via-cache-purge-action.html - Patch, Vendor Advisory
References	~~() https://www.joomla.org/ -~~	() https://www.joomla.org/ - Product
CPE		cpe:2.3:a:joomla:joomla\!::::::::

29 Sep 2026, 17:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-09-29 17:17

Updated : 2026-10-06 16:33

NVD link : CVE-2026-90915

Mitre link : CVE-2026-90915

CVE.ORG link : CVE-2026-90915

JSON object : View

Products Affected

joomla

joomla\!

CWE

CWE-22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

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