CVE-2026-58025: mediawiki from 1.43.0 (inclusive), before 1.43.9 (exclusive), from 1.44.0 (inclusive), before 1.44.6 (exclusive), from…

CVE-2026-58025. CVSS 3.1 base score 9.8 (CRITICAL, NVD). EPSS 0.00503 (percentile 0.42183), scored 24-Oct-2026.

Affected technology

mediawiki · from 1.43.0 (inclusive), before 1.43.9 (exclusive)
mediawiki

mediawiki · from 1.44.0 (inclusive), before 1.44.6 (exclusive)
mediawiki

mediawiki · from 1.45.0 (inclusive), before 1.45.4 (exclusive)
mediawiki

mediawiki · 1.46.0 · update rc0
mediawiki

MediaWiki · * to before 1.46.0, 1.45.4, 1.44.6, 1.43.9
Wikimedia Foundation

Component: Not specified by the source
File: includes/Import/WikiImporter.php, includes/Import/WikiRevision.php, includes/Logging/LogEntryBase.php, https://phabricator.wikimedia.org/T422244

Attack conditions (Source advisory, CVSS 4.0): Network (remote) · High privileges required · No user interaction required

What an attacker can do

Source advisory’s CVSS 4.0 assessment (base score 5.9/10) rates confidentiality and availability impact as low; integrity impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.

Published 25-Oct-2026 19:51 UTC

CWE: CWE-94, CWE-502
CCR priority: 39.3 /100 (P4)
CVSS 3.1: 9.8 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · NVD
EPSS: 0.00503 · percentile 0.42739 · 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-2026-58025.html