The two CVEs against KeePassXC both require an attacker to already have root access to your machine. At that point they can read anything — your password manager is the least of your problems. These are disputed as real vulnerabilities. KeePassXC won't sync your passwords across devices, check them against breach databases, or warn you about weak ones. You have to manage the database file yourself. Maximum security, but most people won't do the work.
What they claim: KeePassXC has no company entity — it's a community open-source project
What we found: No corporate structure means no SOC 2 certification, no formal incident response team, no SLA for security patches. However, it also means no company to be subpoenaed, no shareholders demanding monetisation, and no business model that conflicts with security. ANSSI (French govt) certified v2.7.9 in November 2025.
What they claim: KeePassXC stores passwords in a local KDBX 4.1 encrypted database file
What we found: CVE-2024-33900 and CVE-2024-33901: both involve memory dump attacks where an attacker with local privileged access could extract vault data from process memory. However, both are disputed — they require root/admin access, at which point the attacker already owns the system. This is an inherent limitation of any software running on a compromised OS.
What they claim: KeePassXC is fully offline with zero cloud connectivity
What we found: The fully offline model means no automatic sync, no breach monitoring, no password health checks against known breaches. Users must manually manage database files across devices (via USB, Syncthing, or cloud storage they control). Security comes at the cost of convenience that most users won't accept.