CVE-2026-35388

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

CVSS v3 2.5 LOW

2.5^/10

CVSS v3 : LOW

Vector :

Exploitability : 1.0 / Impact : 1.4

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://marc.info/?l=openssh-unix-dev&m=177513443901484&w=2	Third Party Advisory
https://www.openssh.org/releasenotes.html#10.3p1	Release Notes
https://www.openwall.com/lists/oss-security/2026/04/02/3	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:openbsd:openssh:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-04-02 17:16

Updated : 2026-07-24 21:10

NVD link : CVE-2026-35388

Mitre link : CVE-2026-35388

CVE.ORG link : CVE-2026-35388

JSON object : View

Products Affected

openbsd

openssh

CWE

CWE-420

Unprotected Alternate Channel

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