PT-2026-33209 · Wikimedia Foundation+3 · Mediawiki

Krinkle · Published 2026-04-03 · Updated 2026-05-11 · CVE-2026-34095

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions MediaWiki versions prior to 1.43.7 MediaWiki versions prior to 1.44.4 MediaWiki versions prior to 1.45.2

Description An issue exists in the program files 'includes/Actions/ActionEntryPoint.Php' and 'includes/Request/FauxResponse.Php'.

Recommendations Update to version 1.43.7. Update to version 1.44.4. Update to version 1.45.2.

Fix

Exposure of Resource to Wrong Sphere

Weakness Enumeration

CWE-668

Related Identifiers

CVE-2026-34095

Affected Products

Mediawiki

References · 12

• https://osv.dev/vulnerability/UBUNTU-CVE-2026-34095 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2026-34095 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-34095 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-34095 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-34095 · Vendor Advisory
• https://phabricator.wikimedia.org/T419192 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-34095 · Security Note
• https://lists.wikimedia.org/hyperkitty/list/[e-mail]/thread/DIBLSBHISKX6NFRUFNOGZRVW42E7R2QP · Note
• https://gerrit.wikimedia.org/r/c/mediawiki/core/+/1265669 · Note
• https://twitter.com/CVEnew/status/2053932417984184706 · Twitter Post
• https://gerrit.wikimedia.org/r/c/mediawiki/core/+/1265642 · Note
• http://phabricator.wikimedia.org/T419192 · Note