CVE-2026-34094

low

Published 2026-05-11 · Modified 2026-05-18

CVSS v3

3.8

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N

CVSS v2

—

VIR risk

3.8

Description

Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/Page/Article.Php. This issue affects MediaWiki: from * before 1.43.7, 1.44.4, 1.45.2.

Predictions

Exploit likelihood

48%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2026-34094

vendor Authored 2026-05-27

Vendor advisory: c4f26cc8-17ff-4c99-b5e2-38fc1793eacc — https://phabricator.wikimedia.org/T416090

OS impact

OS	Version	Status	Fixed in
debian	bookworm	fixed	`0`
debian	bullseye	fixed	`0`
debian	forky	fixed	`1:1.43.8+dfsg-1`
debian	sid	fixed	`1:1.43.8+dfsg-1`
debian	trixie	fixed	`1:1.43.8+dfsg-1~deb13u1`

Application impact

Vendor	Product	Versions	Fixed
mediawiki	mediawiki	`{"endExcluding":"1.43.7"}`	`1.43.7`

References

CWEs

CWE-668

Verify integrity in audit chain (admin only). AS-IS.