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.

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://phabricator.wikimedia.org/T422244	Permissions Required

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:mediawiki:mediawiki::::::::
	cpe:2.3:a:mediawiki:mediawiki::::::::
	cpe:2.3:a:mediawiki:mediawiki::::::::
	cpe:2.3:a:mediawiki:mediawiki:1.46.0:rc0::::::

History

09 Jul 2026, 19:34

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 9.8
CPE		cpe:2.3:a:mediawiki:mediawiki:1.46.0:rc0:::::: cpe:2.3:a:mediawiki:mediawiki::::::::
References	~~() https://phabricator.wikimedia.org/T422244 -~~	() https://phabricator.wikimedia.org/T422244 - Permissions Required
First Time		Mediawiki mediawiki Mediawiki

01 Jul 2026, 16:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-07-01 16:16

Updated : 2026-07-09 19:34

NVD link : CVE-2026-58025

Mitre link : CVE-2026-58025

CVE.ORG link : CVE-2026-58025

JSON object : View

Products Affected

mediawiki

mediawiki

CWE

CWE-94

Improper Control of Generation of Code ('Code Injection')

CWE-502

Deserialization of Untrusted Data

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