Always-Incorrect Control Flow Implementation Affecting openssh package, versions <1:10.2p1-2ubuntu3.8


Severity

Recommended
0.0
medium
0
10

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.12% (2nd percentile)

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  • Snyk IDSNYK-UBUNTU2604-OPENSSH-20561287
  • published14 Oct 2026
  • disclosed6 Oct 2026

Introduced: 6 Oct 2026

NewCVE-2026-106586  (opens in a new tab)
CWE-670  (opens in a new tab)

How to fix?

Upgrade Ubuntu:26.04 openssh to version 1:10.2p1-2ubuntu3.8 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream openssh package and not the openssh package as distributed by Ubuntu. See How to fix? for Ubuntu:26.04 relevant fixed versions and status.

In sshd in OpenSSH before 10.6, the restrict keyword (in authorized_keys) was supposed to be applicable to tunnel forwarding but was not, a different vulnerability than CVE-2026-73283.

CVSS Base Scores

version 3.1