CVE•Published 2026-04-07•Modified 2026-04-08•0 articles on news•5 live references•NVD data
CVE-2026-39937
Vulnerability data via NVD (ingested)
CVSS v3.1
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EPSS percentile
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Description
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.
Timeline
Published 2026-04-07
Modified 2026-04-08
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
More intel sources (5)
Shodan report
vuln:CVE-2026-39937Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-39937Censys host search filtered to this CVE id.
grep.app
CVE-2026-39937Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-39937GitHub code search for direct mentions.
Google dork
"CVE-2026-39937" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2026-39937 on GitHub.
We haven't classified any articles referencing CVE-2026-39937 yet. The external references above still apply.