CVE-2026-103442

UNKNOWN 0.0

MergeAccount PHP object injection via session-key substitution

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-15
Vendor	the wikimedia foundation
Product	mediawiki centralauth extension
Published	Sep 30, 2026

Stay Ahead of the Next One

Get instant alerts for the wikimedia foundation mediawiki centralauth extension

Be the first to know when new unknown vulnerabilities affecting the wikimedia foundation mediawiki centralauth extension are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

Affected Versions

The Wikimedia Foundation / MediaWiki CentralAuth extension

1.46 1.45 1.43

References

NVD ↗ CVE.org ↗ EPSS Data ↗

phabricator.wikimedia.org: https://phabricator.wikimedia.org/T435624 gerrit.wikimedia.org: https://gerrit.wikimedia.org/r/q/I9c59e5c3f217c1eaa02934a076604049bac2b025

Credits

🔍 Marco Paciaroni (BomboBombone)