Findings

CVE-2026-34093

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki.

Published May 11, 2026 · updated Jun 17, 2026 · mediawiki mediawiki

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/Specials/SpecialUserRights.Php. This issue affects MediaWiki: from * before 1.43.7, 1.44.4, 1.45.2.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. May 11, 2026 · NIST NVD

    Detected

    Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/Specials/SpecialUserRights.Php. This issue affects MediaWiki: from * before 1.43.7, 1.44.4, 1.45.2.

  2. Jun 17, 2026 · NIST NVD

    Updated

    Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/Specials/SpecialUserRights.Php. This issue affects MediaWiki: from * before 1.43.7, 1.44.4, 1.45.2.

Affected

  • cpe mediawiki/mediawikiversion unspecified

Sources

  • CVE.orgVulnerability recordCVE-2026-34093

    Official CVE identifier

    cve.org
  • NIST NVDVulnerability recordCVE-2026-34093

    Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/Specials/SpecialUserRights.Php. This issue affects MediaWiki: from * before 1.43.7, 1.44.4, 1.45.2.

    nvd.nist.gov

References

CVE-2026-34093 · ZeroDay Findings