All vulnerabilities
CVE-2026-100377

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Wikimedia Foundation Mediawiki - WikiLambda ExtensionApplications & CMS
CVSS
6.9Medium
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.32%Chance of exploitation activity in the next 30 days, higher than 24% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version yet
Published25 Sep 2026Updated 26 Sep 2026CVE List

What fixes it

No source in this snapshot names a fixed version.

Description

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation Mediawiki - WikiLambda Extension allows Excavation.

This issue affects Mediawiki - WikiLambda Extension: 1.47.0-alpha. The issue has been remediated on the master branch.

Text from CVE List

Affected versions 1

  • Mediawiki - WikiLambda Extensionaffected: 1.47.0-alphaCVE List

References 2