CVE-2026-58025

Deserialization of untrusted data vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/Import/WikiImporter.Php, includes/Import/WikiRevision.Php, includes/Logging/LogEntryBase.Php. This issue affects MediaWiki: from * before 1.46.0, 1.45.4, 1.44.6, 1.43.9.

Affected products

Mediawiki, Red Os

Mediawiki

< 1.43.9, 1.44.6, 1.45.4, 1.46.0

Fix

Available

CVSS 3.1

9.8 CRITICAL

EPSS

0.5% (41th percentile)

Weakness

CWE-94, CWE-502

NVD status

Analyzed

Published

2026-07-01