sshd in OpenSSH before 10.6p2 on Linux, when musl libc is used without PAM, lacks a workaround for a password authentication bypass (related to misinterpretation of whether a string is intended to be a password hash). For some configurations of accounts, any password between 256 and 1024 characters succeeds. An example of a platform using musl libc without PAM is Alpine Linux.
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Thu, 05 Nov 2026 21:30:00 +0000

Type Values Removed Values Added
References

Thu, 05 Nov 2026 18:30:00 +0000

Type Values Removed Values Added
References

Thu, 05 Nov 2026 18:00:00 +0000

Type Values Removed Values Added
Title OpenSSH Password Authentication Bypass on Musl Linux

Thu, 05 Nov 2026 17:30:00 +0000


Thu, 05 Nov 2026 16:00:00 +0000

Type Values Removed Values Added
Description sshd in OpenSSH before 10.6p2 on Linux, when musl libc is used without PAM, lacks a workaround for a password authentication bypass (related to misinterpretation of whether a string is intended to be a password hash). For some configurations of accounts, any password between 256 and 1024 characters succeeds. An example of a platform using musl libc without PAM is Alpine Linux.
First Time appeared Openbsd
Openbsd openssh
Weaknesses CWE-394
CPEs cpe:2.3:a:openbsd:openssh:*:*:*:*:*:*:*:*
Vendors & Products Openbsd
Openbsd openssh
References
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-11-05T21:06:39.062Z

Reserved: 2026-11-05T15:46:25.881Z

Link: CVE-2026-123158

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-11-05T16:17:47.110

Modified: 2026-11-05T21:18:45.663

Link: CVE-2026-123158

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-11-05T18:00:20Z

Weaknesses