Vulnerability Intelligence Report
CVE-2026-123158
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.
No Active Exploit Signals
CVSS Base Score
8.1
HIGH
Exploitability:2.3
Impact Score:5.9
EPSS Probability:0.98%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
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Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-394 ↗CWE-394 Unexpected Status Code or Return Value
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| OpenBSD | OpenSSH | 0 < 10.6p2 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
0.976%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | MITRE Corporation · N/A · USA |
| Reserved | 2026-11-05T15:46:25 |
| Published | 2026-11-05T15:46:26 |
| Last Updated | 2026-11-08T02:55:48 |
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