CVE-2026-35388 (GCVE-0-2026-35388)

Vulnerability from cvelistv5 – Published: 2026-04-02 16:57 – Updated: 2026-04-02 18:16
VLAI
Summary
OpenSSH before 10.3 omits connection multiplexing confirmation for proxy-mode multiplexing sessions.
Severity
2.5 (Low)
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-02 17:46 UTC
CWE
  • CWE-420 - Unprotected Alternate Channel
Assigner
References
Impacted products
Vendor Product Version
OpenBSD OpenSSH Affected: 0 , < 10.3 (custom)
    cpe:2.3:a:openbsd:openssh:*:*:*:*:*:*:*:*
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