CVE-2026-58025

CRITICAL

Remote Code Execution via Unsafe Deserialization in LogItem Import

Title source: cna

Description

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.

References (1)

Core 1

Core References

https://phabricator.wikimedia.org/T422244

Scores

CVSS v3 9.8

EPSS 0.0050

EPSS Percentile 39.5%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-502 CWE-94

Status published

Products (3)

mediawiki/mediawiki 1.46.0 rc0

mediawiki/mediawiki 1.43.0 - 1.43.9

Wikimedia Foundation/MediaWiki < 1.46.0, 1.45.4, 1.44.6, 1.43.9

Published Jul 01, 2026

Tracked Since Jul 01, 2026