CVE-2025-61639 LOW

CVE-2025-61639: Suppressed blocked IP is visible in Special:BlockList, RC, and other places

Vendor Wikimedia Foundation
Product MediaWiki
Weakness CWE-200 · Info exposure
Published February 2, 2026
Last update February 3, 2026
View on NVD All CVEs

CVSS base score

1.7/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS vector

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

What the vulnerability does

01Description

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/logging/ManualLogEntry.Php, includes/recentchanges/RecentChangeFactory.Php, includes/recentchanges/RecentChangeStore.Php. This issue affects MediaWiki: from * before 1.39.14, 1.43.4, 1.44.1.

Key dates

02Disclosure timeline

February 2, 2026 CVE published
February 3, 2026 Record updated