CVE-2026-58036: mediawiki 1.46.0 · update rc0; +1 more affected products

CVE-2026-58036. CVSS 3.1 base score 7.5 (HIGH, NVD). EPSS 0.0032 (percentile 0.23822), scored 24-Oct-2026.

Affected technology

mediawiki · 1.46.0 · update rc0
mediawiki

MediaWiki · 1.46.0-rc.0 to before 1.46.0
Wikimedia Foundation

Component: Not specified by the source
File: includes/Api/ApiQueryAllUsers.php, includes/Api/ApiQueryUsers.php, includes/Permissions/PermissionManager.php, includes/User/UserGroupManager.php

Attack conditions (Source advisory, CVSS 4.0): Network (remote) · Low privileges required · Passive user interaction

What an attacker can do

Source advisory’s CVSS 4.0 assessment (base score 2.1/10) rates confidentiality impact as low; integrity and availability impact as none. The description does not specify what an attacker can achieve beyond these rated impacts.

Published 25-Oct-2026 19:52 UTC

CWE: CWE-200
CCR priority: 30.1 /100 (P4)
CVSS 3.1: 7.5 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N · NVD
EPSS: 0.0032 · percentile 0.24765 · 2026-10-25
KEV: no

Provenance

FIRST EPSS daily exploit-probability · Source record · observed 2026-10-25 19:52:47.952465+00:00 UTC
NVD CVE API 2.0 · Source record · observed 2026-10-25 19:51:06.643138+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-58036.html