CVE-2026-103442

high

Description

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.

References

https://phabricator.wikimedia.org/T435624

https://gerrit.wikimedia.org/r/q/I9c59e5c3f217c1eaa02934a076604049bac2b025

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-90075

Details

Source: Mitre, NVD

Published: 2026-09-30

Updated: 2026-09-30

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 9.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

CVSS v4

Base Score: 8.7

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