CVE-2026-58027

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation AbuseFilter. This vulnerability is associated with program files includes/Api/QueryAbuseFilters.Php. This issue affects AbuseFilter: from * before 1.46.0, 1.45.4, 1.44.6, 1.43.9.

Score

CVSS 3.1 6.5 Medium

Status

Analyzed - c4f26cc8-17ff-4c99-b5e2-38fc1793eacc

Published

2026-07-01

Last modified

2026-10-25

Weaknesses

CWE-200

Affected products

• Mediawiki (Mediawiki)
• Abusefilter (Wikimedia Foundation)

References

• https://phabricator.wikimedia.org/T406954