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CVE-2026-58026
Published:July 01, 2026
Updated:July 21, 2026
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/Parser/Parser.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 <1.43.9
Fix Suggestion:
Update to version 1.43.9
https://github.com/wikimedia/mediawiki.git (GITHUB):
Affected version(s) =1.46.0-rc.0 <1.46.0
Fix Suggestion:
Update to version 1.46.0
https://github.com/wikimedia/mediawiki.git (GITHUB):
Affected version(s) >=1.45.0 <1.45.4
Fix Suggestion:
Update to version 1.45.4
https://github.com/wikimedia/mediawiki.git (GITHUB):
Affected version(s) >=1.44.0 <1.44.6
Fix Suggestion:
Update to version 1.44.6
mediawiki/core (PHP):
Affected version(s) =1.46.0-rc.0 <1.46.0
Fix Suggestion:
Update to version 1.46.0
mediawiki/core (PHP):
Affected version(s) >=1.43.0 <1.43.9
Fix Suggestion:
Update to version 1.43.9
mediawiki/core (PHP):
Affected version(s) >=1.45.0 <1.45.4
Fix Suggestion:
Update to version 1.45.4
mediawiki/core (PHP):
Affected version(s) >=1.44.0 <1.44.6
Fix Suggestion:
Update to version 1.44.6
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Weakness Type (CWE)
Exposure of Sensitive Information to an Unauthorized Actor
EPSS
Base Score:
0.37