CVE-2026-73283

EUVD-2026-56892
In sshd in OpenSSH before 10.5, the restrict keyword (in authorized_keys) was supposed to be applicable to tunnel forwarding but was not.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
2.5 LOW
LOCAL
HIGH
LOW
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 0.45%
Affected Products (NVD)
VendorProductVersion
openbsdopenssh
𝑥
< 10.5
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
openssh
bookworm
postponed
bookworm (security)
vulnerable
forky
1:10.5p1-1
fixed
sid
1:10.5p1-1
fixed
trixie
no-dsa
trixie (security)
vulnerable
openssh-gssapi
forky
1:10.5p1-1
fixed
sid
1:10.5p1-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
openssh
bionic
needs-triage
focal
needs-triage
jammy
Fixed 1:8.9p1-3ubuntu0.17
released
noble
Fixed 1:9.6p1-3ubuntu13.19
released
resolute
Fixed 1:10.2p1-2ubuntu3.6
released
trusty
needs-triage
xenial
needs-triage
openssh-ssh1
bionic
ignored
focal
ignored
jammy
ignored
noble
ignored
resolute
ignored
Red Hat logo
Red Hat Enterprise Linux Releases
Red Hat Product
Release
openssh
RHEL 9
0:9.9p1-11.el9_8
fixed
openssh-askpass
RHEL 9
0:9.9p1-11.el9_8
fixed
openssh-clients
RHEL 9
0:9.9p1-11.el9_8
fixed
openssh-keycat
RHEL 9
0:9.9p1-11.el9_8
fixed
openssh-server
RHEL 9
0:9.9p1-11.el9_8
fixed
pam
RHEL 9
0:0.10.4-8.11.el9_8
fixed
Azure Linux logo
Azure Linux Releases
Azure Package
Release
openssh
Azure Linux 3.0
0:9.8p1-10.azl3
fixed
Common Weakness Enumeration
References
https://www.openssh.org/releasenotes.html#10.5