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CVE-2026-123158 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:8.1 HIGHVector:CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://sshhole.com CISA-ADP
https://alpinelinux.org/posts/2026-11-05-openssh-password-authentication-bypass/ CVE
https://github.com/coollabsio/coolify/discussions/12484 CVE
https://github.com/google/goonami-scanner/pull/277 CVE
https://github.com/panubo/docker-sshd/issues/93 CVE

see all 14 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-394Unexpected Status Code or Return Value[email protected]

Affected Products

No affected product data is available for this CVE.

Change History

7 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-123158
NVD Published Date:
Nov 5, 2026
NVD Last Modified:
Nov 8, 2026
Source:
[email protected]
CVE-2026-123158 Details - Not Deferred