Improper removal of sensitive information before storage or transfer vulnerability in The Wikimedia Foundation Mediawiki - CentralAuth Extension allows Resource Leak Exposure.

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. Apr 7, 2026 · NIST NVD

   Detected

   Improper removal of sensitive information before storage or transfer vulnerability in The Wikimedia Foundation Mediawiki - CentralAuth Extension allows Resource Leak Exposure. The issue has been remediated on the branch, and in the release branches for MediaWiki versions 1.43, 1.44, and 1.45.

2. Jul 21, 2026 · NIST NVD

   Updated

   Improper removal of sensitive information before storage or transfer vulnerability in The Wikimedia Foundation Mediawiki - CentralAuth Extension allows Resource Leak Exposure. The issue has been remediated on the branch, and in the release branches for MediaWiki versions 1.43, 1.44, and 1.45.

Sources

• CVE.orgVulnerability recordCVE-2026-39937

  Official CVE identifier

  cve.org
• NIST NVDVulnerability recordCVE-2026-39937

  Improper removal of sensitive information before storage or transfer vulnerability in The Wikimedia Foundation Mediawiki - CentralAuth Extension allows Resource Leak Exposure. The issue has been remediated on the branch, and in the release branches for MediaWiki versions

  nvd.nist.gov

References

• Reference · gerrit.wikimedia.org
• Reference · phabricator.wikimedia.org