CVE-2026-100382

UNKNOWN 0.0

Unauthenticated remote code execution through wikitext in ExternalData

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability in Wikimedia Foundation Mediawiki - ExternalData Extension allows OS Command Injection. This issue affects Mediawiki - ExternalData Extension: from * before 3.7.

CWE	CWE-78
Vendor	wikimedia foundation
Product	mediawiki - externaldata extension
Published	Sep 25, 2026

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Affected Versions

Wikimedia Foundation / Mediawiki - ExternalData Extension

* < 3.7

References

NVD ↗ CVE.org ↗ EPSS Data ↗

phabricator.wikimedia.org: https://phabricator.wikimedia.org/T434961 gerrit.wikimedia.org: https://gerrit.wikimedia.org/r/c/mediawiki/extensions/ExternalData/+/1326012

Credits

SomeRandomDeveloper