CVE-2016-6629: phpMyAdmin

Critical severity, CVSS 9.8. EPSS: 3.2% chance of exploitation in the next 30 days.

An issue was discovered in phpMyAdmin involving the $cfg['ArbitraryServerRegexp'] configuration directive. An attacker could reuse certain cookie values in a way of bypassing the servers defined by ArbitraryServerRegexp. All 4.6.x versions (prior to 4.6.4), 4.4.x versions (prior to 4.4.15.8), and 4.0.x versions (prior to 4.0.10.17) are affected.

Affected products

• phpMyAdmin phpMyAdmin: version 4.6.0 only; version 4.6.1 only; version 4.6.2 only; version 4.6.3 only; version 4.0.0 only; version 4.0.1 only; …

Published 2016-12-11. Last modified 2026-06-17.