CVE-2026-58027
CWE-200Published: July 1, 2026· Updated: Jul 1, 2026
Official Description
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.
Technical Analysis
CVE-2026-58027 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
From a weakness classification perspective (CWE-200): Information exposure vulnerabilities leak sensitive data to unauthorized actors.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
All References (1)
Quick Facts
Related CVEs (CWE-200)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2026-58027 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts