CVE-2026-58026
Received Received - Intake

Exposure of Sensitive Information in MediaWiki

Publication date: 2026-07-01

Last updated on: 2026-07-01

Assigner: wikimedia-foundation

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.

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Meta Information

Published
2026-07-01
Last Modified
2026-07-01
Generated
2026-07-01
AI Q&A
2026-07-01
EPSS Evaluated
N/A
NVD
CVE-2026-58026
EUVD
EUVD-2026-41024

Affected Vendors & Products

Showing 4 associated CPEs
Vendor Product Version / Range
wikimedia mediawiki to 1.46.0 (exc)
wikimedia mediawiki 1.45.4
wikimedia mediawiki 1.44.6
wikimedia mediawiki 1.43.9

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-200 The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.

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Impact Analysis

The vulnerability could allow unauthorized actors to access sensitive information within the MediaWiki software, potentially leading to information disclosure that should otherwise be protected.

Executive Summary

This vulnerability is an Exposure of Sensitive Information to an Unauthorized Actor in the Wikimedia Foundation's MediaWiki software. It is related to the program files includes/Parser/Parser.Php and affects versions of MediaWiki before 1.46.0, including 1.45.4, 1.44.6, and 1.43.9.

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