Auth bypass
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 stri…
At a glance
Medium rather than High: UK relevance is 40 of 100, little UK-specific signal so far.
Briefing
There is no written leader briefing for this story yet. These questions come from the facts we hold.
Questions to ask IT
- Are we affected by CVE-2026-123158, and which of our systems would be?
- If it is not yet patched, what mitigation is in place, and will the fix be done by 16 Nov?
Next steps
- Confirm whether this affects systems or suppliers in your estate
Vulnerability facts
Full CVE detail CVE-2026-123158- 8.1 · HighExploitable over the network without any account, under specific conditions, and no one has to click or open anything. High impact on confidentiality, integrity and availability.CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- Not listed
- Before 10.6p2
- 10.6p2
- Not linked from the CVE record
Versions are as the CVE record states them; check the vendor advisory before planning a fix.
No technical write-up beyond these facts and the summary below yet.
Next steps
- Review the advisory against your asset inventory and patch cadence
Summary
- Hackers are actively exploiting the "SSHole" vulnerability (CVE-2026-123158) in OpenSSH to execute commands, steal credentials, and establish persistent access.
Read the original reportBleepingComputer(opens in a new tab)
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Pulse
Last change 38m ago · Next recheck 10 Nov 2026, 16:21 UK time
- Story9 Nov 2026, 16:21 UK time · 38m ago
Linked reporting from BleepingComputer (independent original reporting).
Read source (BleepingComputer)
1 entry so far. The timeline chart appears once this story has more history.
Sources
- BleepingComputerNews
Hackers exploit SSHole OpenSSH flaw to breach Linux systems
How we know
Statements extracted from sources. Higher confidence means stronger corroboration.
- ClaimedHeadline60% confidence
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 stri…
- ProbableSummary fact75% confidence
Hackers are actively exploiting the SSHole vulnerability (CVE-2026-123158) in OpenSSH to execute commands, steal credentials, and establish persistent access.
- ConfirmedCVE identifier95% confidence
Event involves CVE-2026-123158