CVE-2026-35388

Low

Description

OpenSSH before 10.3 omits connection multiplexing confirmation for proxy-mode multiplexing sessions.

SeverityLow
CVSS2.5
Exploit probability—
ProductOpenbsd Openssh
PublishedApr 2, 2026
First seenApr 2, 2026
Weakness typeCWE-420CWE-420

How to fix

Update
  • openbsd openssh10.3 or later

Affected products

ProductAffected versionsFixed in
openbsd opensshv < 10.310.3

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