CVE Catalog

CVE-2026-100382

CriticalCVSS 10.0
Published: Translated: NVD NIST

Summary

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.

Risk Assessment

An attacker can execute arbitrary OS commands on the server, leading to full host compromise. Critical risk to confidentiality, integrity, and availability.

Recommendation

Update the ExternalData extension to version 3.7 or later. Until patched, consider disabling the extension or restricting access to it.

Related vulnerabilities

Original NVD description (English source)

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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS