CVE-2026-39937: Global vanishing does not completely remove user email
The Wikimedia Foundation · Mediawiki - CentralAuth Extension
Vendor fix available · Affected: The Wikimedia Foundation Mediawiki - CentralAuth Extension · Exploitation: unlikely (under 1%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 19% of scored CVEs
DescriptionCVE.org
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 `master` branch, and in the release branches for MediaWiki versions 1.43, 1.44, and 1.45.
Affected products1
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- The Wikimedia Foundation · Mediawiki - CentralAuth Extensionbefore 1.43
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Unlikely (under 1%). EPSS under 1%, or no score yet.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Weakness
- Improper Removal of Sensitive Information Before Storage or Transfer · Information Disclosure
- Vendor
- The Wikimedia Foundation
- Published
- April 2026
CoverageNo articles yet
No CyberSIXT article names CVE-2026-39937 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.