CVE-2026-58027 MEDIUM

CVE-2026-58027: QueryAbuseFilter API can be used to see the hit count of private filters, which is hidden in the UI

Vendor Wikimedia Foundation
Product AbuseFilter
Weakness CWE-200 · Info exposure
Published July 1, 2026
Last update July 1, 2026
View on NVD All CVEs

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

July 1, 2026 CVE published