Vulnerability in Openbsd Openssh
CVE-2026-59999
In sshd in OpenSSH before 10.4, DisableForwarding=yes was supposed to take precedence over PermitTunnel=yes, but did not.
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N.
Affected products
- Openbsd Openssh — versions 0
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-59999?
- CVE-2026-59999 is a medium-severity vulnerability in Openbsd Openssh, classified under CWE-348. CVSS score: 5.9/10. Published 2026-07-08.
- How severe is CVE-2026-59999?
- Medium severity. CVSS v3 base score is 5.9 out of 10.