PT-2026-54894 · Mediawiki · Mediawiki

Published 2026-07-01 · Updated 2026-07-01 · CVE-2026-58025

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

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

Description An unsafe deserialization of untrusted data exists in the LogItem import process. This issue is associated with the program files includes/Import/WikiImporter.Php, includes/Import/WikiRevision.Php, and includes/Logging/LogEntryBase.Php, which could lead to remote code execution.

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

RCE

Code Injection

Deserialization of Untrusted Data

Weakness Enumeration

CWE-94

CWE-502

Related Identifiers

CVE-2026-58025

Affected Products

Mediawiki

References · 11

• https://nvd.nist.gov/vuln/detail/CVE-2026-58025 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2026-58025 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-58025 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-58025 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-58025 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2026-58025 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-58025 · Security Note
• https://t.me/CVEtracker/58593 · Telegram Post
• https://gerrit.wikimedia.org/r/c/mediawiki/core/+/1306343 · Note
• https://gerrit.wikimedia.org/r/c/mediawiki/core/+/1306363 · Note
• https://phabricator.wikimedia.org/T422244 · Note