---
id: CVE-2026-100244
title: >-
  Exposure of Sensitive Information to an Unauthorized Actor vulnerability in
  Wikimedia Foundation Mediawiki - CentralAuth Extension allows Excavation.


  This issue affects Mediawiki - CentralAuth Extension: from * before 1.46.1,
  1.45.5, 1.…
summary: >-
  Exposure of Sensitive Information to an Unauthorized Actor vulnerability in
  Wikimedia Foundation Mediawiki - CentralAuth Extension allows Excavation.


  This issue affects Mediawiki - CentralAuth Extension: from * before 1.46.1,
  1.45.5, 1.…
severity: none
cwe:
  - CWE-200
vendor: Wikimedia Foundation
product: Mediawiki - CentralAuth Extension
affected:
  - 'mediawiki_-_centralauth_extension < 1.46.1, 1.45.5, 1.43.10'
published: '2026-09-29'
updated: '2026-09-29'
sourceUpdated: '2026-09-29T17:17:01.453'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-100244'
references:
  - url: 'https://gerrit.wikimedia.org/r/q/Ifd262c11300dd0355e177d6185bcd704d2720a47'
    label: c4f26cc8-17ff-4c99-b5e2-38fc1793eacc
  - url: 'https://phabricator.wikimedia.org/T432789'
    label: c4f26cc8-17ff-4c99-b5e2-38fc1793eacc
tags:
  - nvd
  - cve.org
ingestedAt: '2026-09-29T17:41:02.201Z'
---

## Overview

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation Mediawiki - CentralAuth Extension allows Excavation.

This issue affects Mediawiki - CentralAuth Extension: from * before 1.46.1, 1.45.5, 1.43.10.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.