Sensitive Information Exposure in MediaWiki by Wikimedia Foundation
CVE-2026-58024

5.1MEDIUM

Key Information:

Vendor

Wikimedia Foundation

Status
Mediawiki
Vendor
CVE Published:
1 July 2026

What is CVE-2026-58024?

This vulnerability in MediaWiki, developed by the Wikimedia Foundation, allows unauthorized access to sensitive user information. It originates from issues in the program files, specifically within the includes/Api/ApiUserrights.php component. Affected versions include those prior to 1.46.0, as well as specific versions 1.45.4, 1.44.6, and 1.43.9. Organizations using these versions are encouraged to update to secure their systems against potential exploitation.

Affected Version(s)

MediaWiki * < 1.46.0, 1.45.4, 1.44.6, 1.43.9

References

https://phabricator.wikimedia.org/T422085

CVSS V4

Score:
5.1
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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