Always-Incorrect Control Flow Implementation Affecting openssh-keycat package, versions <0:8.0p1-34.0.1.el8_10


Severity

Recommended
medium

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.15% (4th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-ORACLE8-OPENSSHKEYCAT-21663107
  • published23 Oct 2026
  • disclosed11 Aug 2026

Introduced: 11 Aug 2026

CVE-2026-73283  (opens in a new tab)
CWE-670  (opens in a new tab)

How to fix?

Upgrade Oracle:8 openssh-keycat to version 0:8.0p1-34.0.1.el8_10 or higher.
This issue was patched in ELSA-2026-88211.

NVD Description

Note: Versions mentioned in the description apply only to the upstream openssh-keycat package and not the openssh-keycat package as distributed by Oracle. See How to fix? for Oracle:8 relevant fixed versions and status.

In sshd in OpenSSH before 10.5, the restrict keyword (in authorized_keys) was supposed to be applicable to tunnel forwarding but was not.

CVSS Base Scores

version 3.1