CVE-2026-35388

low

Description

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

References

https://www.openwall.com/lists/oss-security/2026/04/02/3

https://www.openssh.org/releasenotes.html#10.3p1

https://marc.info/?l=openssh-unix-dev&m=177513443901484&w=2

Details

Source: Mitre, NVD

Published: 2026-04-02

Updated: 2026-04-03

Risk Information

CVSS v2

Base Score: 1.2

Vector: CVSS2#AV:L/AC:H/Au:N/C:N/I:P/A:N

Severity: Low

CVSS v3

Base Score: 2.5

Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N

Severity: Low

EPSS

EPSS: 0.00011