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CVE-2026-34088 — HIGH severity vulnerability | Release Alert

CVE-2026-34088

7.5

HIGHCVSS v3

Published

May 11, 2026

Affected

7 projects

Assigned by

c4f26cc8-17ff-4c99-b5e2-38fc1793eacc

Severity scale

010

Description

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. This issue affects MediaWiki: from * before 1.43.7, 1.44.4, 1.45.2.

wikimedia/mediawiki

GitHub🌻 The collaborative editing software that runs Wikipedia. Mirror from https://gerrit.wikimedia.org/g/mediawiki/core. See https://mediawiki.org/wiki/Developer_access for contributing.

< 1.43.7, >= 1.44.0, < 1.44.4, >= 1.45.0, < 1.45.2NVD

bitnami/mediawiki

Docker Hub🛑 DEPRECATED Bitnami Docker Image for MediaWiki

< 1.43.7, >= 1.44.0, < 1.44.4, >= 1.45.0, < 1.45.2NVD

More on this CVE

NVD↗GitHub Advisory↗

Docker HubMediaWiki is a free software open source wiki package written in PHP.

< 1.43.7, >= 1.44.0, < 1.44.4, >= 1.45.0, < 1.45.2NVD

NPMA JavaScript framework for the MediaWiki API.

< 1.43.7, >= 1.44.0, < 1.44.4, >= 1.45.0, < 1.45.2NVD

Python Package IndexMediaWiki Syntax to HTML

< 1.43.7, >= 1.44.0, < 1.44.4, >= 1.45.0, < 1.45.2NVD

Crates.ioA MediaWiki client library

< 1.43.7, >= 1.44.0, < 1.44.4, >= 1.45.0, < 1.45.2NVD

Debian Bookwormwebsite engine for collaborative work

< 1.43.7, >= 1.44.0, < 1.44.4, >= 1.45.0, < 1.45.2NVD