PT-2026-54896 · Unknown · Abusefilter

Published 2026-07-01 · Updated 2026-07-01 · CVE-2026-58027

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Name of the Vulnerable Software and Affected Versions AbuseFilter versions prior to 1.46.0 AbuseFilter versions prior to 1.45.4 AbuseFilter versions prior to 1.44.6 AbuseFilter versions prior to 1.43.9

Description An information exposure issue exists in the includes/Api/QueryAbuseFilters.Php file. The 'QueryAbuseFilter' API endpoint can be exploited to view the hit count of private filters, information that is intentionally hidden within the user interface.

Recommendations Update to version 1.46.0 or later. Update to version 1.45.4 or later. Update to version 1.44.6 or later. Update to version 1.43.9 or later.

Fix

Information Disclosure

Weakness Enumeration

CWE-200

Related Identifiers

CVE-2026-58027

Affected Products

Abusefilter

References · 11

• https://osv.dev/vulnerability/DEBIAN-CVE-2026-58027 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-58027 · Security Note
• https://ubuntu.com/security/CVE-2026-58027 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2026-58027 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-58027 · Security Note
• https://osv.dev/vulnerability/CVE-2026-58027 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-58027 · Vendor Advisory
• https://gerrit.wikimedia.org/r/c/mediawiki/extensions/AbuseFilter/+/1306181 · Note
• https://gerrit.wikimedia.org/r/c/mediawiki/extensions/AbuseFilter/+/1306182 · Note
• https://t.me/CVEtracker/58583 · Telegram Post
• https://phabricator.wikimedia.org/T406954 · Note