CVE-2026-35388 — LOW (2.5) — White Hats Nepal

Q: What is CVE-2026-35388?

CVE-2026-35388 is a vulnerability with a CVSS score of 2.5 (LOW). OpenSSH before 10.3 omits connection multiplexing confirmation for proxy-mode multiplexing sessions.

Q: How severe is CVE-2026-35388?

CVE-2026-35388 has been rated LOW with a CVSS base score of 2.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-35388?

Check the references section above for vendor advisories and patch information. Affected products include: Openbsd Openssh.

Vulnerability Description

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

CVSS Score

2.5

LOW

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

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

NONE

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Openbsd	Openssh	< 10.3

Related Weaknesses (CWE)

CWE-420

References

https://marc.info/?l=openssh-unix-dev&m=177513443901484&w=2Third Party Advisory
https://www.openssh.org/releasenotes.html#10.3p1Release Notes
https://www.openwall.com/lists/oss-security/2026/04/02/3Third Party Advisory

FAQ

What is CVE-2026-35388?

CVE-2026-35388 is a vulnerability with a CVSS score of 2.5 (LOW). OpenSSH before 10.3 omits connection multiplexing confirmation for proxy-mode multiplexing sessions.

How severe is CVE-2026-35388?

CVE-2026-35388 has been rated LOW with a CVSS base score of 2.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-35388?

Check the references section above for vendor advisories and patch information. Affected products include: Openbsd Openssh.