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OpenAdvisories
Medium · 6.1 CVE-2026-103048 EUVD-2026-89487GHSA-h46v-wcxp-q8jp

Open Redirect in Special:Book

Published Sep 29, 2026 · Updated Oct 1, 2026 · Assigned by wikimedia-foundation

Description

URL redirection to untrusted site ('open redirect') vulnerability in The Wikimedia Foundation Mediawiki - Collection extension allows Fake the Source of Data.

This issue affects Mediawiki - Collection extension: before 1.46.1, 1.45.5, 1.43.10.

Affected products

VendorProductAffectedFixed
The Wikimedia Foundation Mediawiki - Collection extension < 1.46.1, 1.45.5, 1.43.10 1.46.1, 1.45.5, 1.43.10

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
Ubuntu 26.10 mediawiki No fix yet —
Ubuntu 26.04 LTS mediawiki No fix yet —
Ubuntu 18.04 LTS mediawiki No fix yet —
Show 3 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Ubuntu Pro 24.04 LTS mediawiki No fix yet —
Ubuntu Pro 22.04 LTS mediawiki No fix yet —
Ubuntu Pro 20.04 LTS mediawiki No fix yet —

References