PT-2026-29505 · Joomla · Joomla! Cms

Phil Taylor · Published 2026-04-01 · Updated 2026-04-01 · CVE-2026-23898

NVD

CVSS v4.0

8.6

High

AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Lack of input validation leads to an arbitrary file deletion vulnerability in the autoupdate server mechanism.

Fix

Weakness Enumeration

CWE-73

Related Identifiers

CVE-2026-23898

Affected Products

Joomla! Cms

References · 2

• https://nvd.nist.gov/vuln/detail/CVE-2026-23898 · Security Note
• https://developer.joomla.org/security-centre/1031-20260305-core-arbitrary-file-deletion-in-com-joomlaupdate.html · Vendor Advisory