CVE-2026-58026
Medium
Description
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.
SeverityMedium
CVSS5.7
Exploit probability—
Product
Mediawiki
PublishedJul 1, 2026
First seenJul 1, 2026
Weakness typeCWE-200Sensitive information exposure
How to fix
Update
- mediawiki mediawiki1.43.9, 1.44.6, 1.45.4 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mediawiki mediawiki | 1.43.0 ≤ v < 1.43.9, 1.44.0 ≤ v < 1.44.6, 1.45.0 ≤ v < 1.45.4, 1.46.0 | 1.43.9, 1.44.6, 1.45.4 |
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