Cross-request disclosure of CentralAuth cookies in Wikipedia Android App

Why this deserves its current priority

CVSS is 5.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Affected scope and exposure questions

The current feed maps Wikimedia Foundation/Wikipedia Android App (generic). Check affected ranges and fixed versions before updating.

Recommended response

1. 1Check inventory. Check lockfiles and deployed manifests for Wikimedia Foundation/Wikipedia Android App.
2. 2Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

1. Published upstream

   Sep 25, 2026

   Evidence: source:cvelist:source_dates:source-dates:record

2. Source modified

   Sep 25, 2026

   Evidence: source:cvelist:source_dates:source-dates:record

3. First seen by HOL

   Sep 25, 2026

Sources and claim methodology

• GitHub security advisorygithub.com
• Source referencephabricator.wikimedia.org

Related CVEs

• Revision-deleted pages can be viewed through WikiLambda's action=edit and Special:ViewAbstractAlso CWE-200
• Flame through 2.4.0 Information Exposure via GET /api/configAlso CWE-200
• Actual Sync Server: CORS Proxy GitHub API Allowlist Prefix Bypass Leaks Private Repositories Through the Server GitHub TokenAlso CWE-200
• Horilla: Server-Side Template Injection (SSTI) in Mail Preview Endpoints Allows Authenticated Users to Disclose Password Hashes and Server MetadataAlso CWE-200
• Cross-origin credential leak in HTTP stream wrapper redirectsAlso CWE-200
• Various packet overreads in mysqlnd_writeprotocol.cSame generic ecosystem