In sshd in OpenSSH before 10.5, the restrict keyword (in authorized_keys) was supposed to be applicable to tunnel forwarding but was not.
https://www.openssh.org/releasenotes.html#10.5
Source: Mitre, NVD
Published: 2026-08-11
Updated: 2026-08-11
Base Score: 1
Vector: CVSS2#AV:L/AC:H/Au:S/C:N/I:P/A:N
Severity: Low
Base Score: 2.5
Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N