CVE-2026-58025
Published:July 01, 2026
Updated:July 21, 2026
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 Packages
https://github.com/wikimedia/mediawiki.git (GITHUB):
Affected version(s) >=1.43.0 <1.43.9Fix Suggestion:
Update to version 1.43.9https://github.com/wikimedia/mediawiki.git (GITHUB):
Affected version(s) >=1.45.0 <1.45.4Fix Suggestion:
Update to version 1.45.4https://github.com/wikimedia/mediawiki.git (GITHUB):
Affected version(s) >=1.44.0 <1.44.6Fix Suggestion:
Update to version 1.44.6https://github.com/wikimedia/mediawiki.git (GITHUB):
Affected version(s) =1.46.0-rc.0 <1.46.0Fix Suggestion:
Update to version 1.46.0mediawiki/core (PHP):
Affected version(s) >=1.45.0 <1.45.4Fix Suggestion:
Update to version 1.45.4mediawiki/core (PHP):
Affected version(s) >=1.44.0 <1.44.6Fix Suggestion:
Update to version 1.44.6mediawiki/core (PHP):
Affected version(s) =1.46.0-rc.0 <1.46.0Fix Suggestion:
Update to version 1.46.0mediawiki/core (PHP):
Affected version(s) >=1.43.0 <1.43.9Fix Suggestion:
Update to version 1.43.9Related Resources (1)
Do you need more information?
Contact UsCVSS v4
Base Score:
5.9
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
HIGH
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
HIGH
Vulnerable System Availability
LOW
Subsequent System Confidentiality
LOW
Subsequent System Integrity
LOW
Subsequent System Availability
LOW
CVSS v3
Base Score:
7.2
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality
LOW
Integrity
HIGH
Availability
LOW
Weakness Type (CWE)
EPSS
Base Score:
0.50