CVE-2016-9849: An issue was discovered in phpMyAdmin.

Security readout for executives and security teams

CVE-2016-9849 affects phpMyAdmin configurations that rely on blocking root or specific usernames. A null byte in the supplied username could bypass those restrictions in listed older branches. This matters most where phpMyAdmin is reachable and administrators depend on those controls to prevent privileged database access. Exposure is likely limited to environments still running the affected phpMyAdmin branches, especially internet-accessible or broadly reachable admin panels. The source bundle does not identify affected downstream package versions beyond Gentoo and Debian advisories. Prioritize remediation for any reachable phpMyAdmin deployment because the flaw can undermine administrative login restrictions. If phpMyAdmin is internal-only and already updated, urgency is lower, but legacy instances should be removed from service or patched. Mitigation focus: Upgrade phpMyAdmin to 4.6.5, 4.4.15.9, 4.0.10.18, or later supported packages.; Apply vendor distribution updates where phpMyAdmin is managed by Gentoo, Debian, or another package manager.; Review phpMyAdmin exposure and limit access to trusted administrative networks where possible..

Prepared

Jun 13, 2026, 13:16 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.