PT-2026-33208 · Wikimedia Foundation+3 · Mediawiki

Iniquity · Published 2026-04-03 · Updated 2026-05-18 · CVE-2026-34094

Positive Technologies (AI Summary)

CVSS v3.1

3.8

Low

Base vector

AV:N/AC:L/PR:H/UI:N/S:U/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/Page/Article.Php of the Wikimedia Foundation MediaWiki software.

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

Fix

Exposure of Resource to Wrong Sphere

Weakness Enumeration

CWE-668

Related Identifiers

CVE-2026-34094

Affected Products

Mediawiki

References · 12

• https://nvd.nist.gov/vuln/detail/CVE-2026-34094 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2026-34094 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-34094 · Vendor Advisory
• https://phabricator.wikimedia.org/T416090 · Patch
• https://cve.org/CVERecord?id=CVE-2026-34094 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-34094 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-34094 · Vendor Advisory
• https://twitter.com/CVEnew/status/2053932418953048384 · Twitter Post
• https://lists.wikimedia.org/hyperkitty/list/[e-mail]/thread/DIBLSBHISKX6NFRUFNOGZRVW42E7R2QP · Note
• https://gerrit.wikimedia.org/r/c/mediawiki/core/+/1265668 · Note
• https://gerrit.wikimedia.org/r/c/mediawiki/core/+/1265641 · Note
• https://t.me/cveNotify/163849 · Telegram Post