fail2ban vulnerabilities

CVEs whose affected-version data names the fail2ban package. Each record lists the affected and patched versions; check a specific version with the dependency checker or POST /api/sbom.

1 CVERSS

CVE-2026-109786Medium· 5.3

2w ago

In fail2ban 0.10.5 through 1.1.1 before ddd879d, the sshd filter (config/filter.d/sshd.conf) accepts an "on <token>" suffix after the host address

In fail2ban 0.10.5 through 1.1.1 before ddd879d, the sshd filter (config/filter.d/sshd.conf) accepts an "on <token>" suffix after the host address. Because OpenSSH logs the offered username verbatim, a remote unauthenticated attacker can…

▾ Sunlitfail2ban · fail2banEPSS 0.31%via NVD