CVE-2026-103442High· 7.2▾ Twilight

External control of system or configuration setting vulnerability in The Wikimedia Foundation MediaWiki CentralAuth extension allows Code Injection. This issue affects MediaWiki CentralAuth extension: 1.46, 1.45, and 1.43.

▾ Twilight zone — High severity, or a signal on a lesser flaw

Depth score40/ 100 · Moderate

impact 39.6 · likelihood 0 · exploitation 0

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Proof of concept

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Published

Sep 30, 2026

Updated

Sep 30, 2026

CVSS

7.2

Vendor

The Wikimedia Foundation

Product

MediaWiki CentralAuth extension

CWE

CWE-15

Depth score

40 · Moderate

EPSS

—

Platforms

—

Source

NVD

Vector

CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:P/VC:H/VI:H/VA:L/SC:H/SI:H/SA:L/E:P/S:N/AU:Y/R:U/V:D/RE:M/U:Amber

The Wikimedia Foundation CWE-15 #nvd #cve.org

Affected

Full technical detail▾

Overview

External control of system or configuration setting vulnerability in The Wikimedia Foundation MediaWiki CentralAuth extension allows Code Injection.

This issue affects MediaWiki CentralAuth extension: 1.46, 1.45, and 1.43.

Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.

References

Related vulnerabilities

Connected by shared product, vendor, weakness, or advisory.

#nvd#cve.org