How severe is CVE-2026-106587?

CVE-2026-106587 has a CVSS 3.x base score of 3.6, rated low severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability low.

Is CVE-2026-106587 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-106587?

CVE-2026-106587 affects Openbsd Openssh. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-106587?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2026-106587 published?

CVE-2026-106587 was published on 2026-10-06 and last updated on 2026-10-09.

CVE-2026-106587

CVE-2026-106587 is a low-severity vulnerability in Openbsd Openssh with a CVSS 3.x base score of 3.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-843.

Key facts

Severity: Low (CVSS 3.x base score 3.6)
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-843
Affected product: Openbsd Openssh
Published: 2026-10-06
Last modified: 2026-10-09

Description

In sshd in OpenSSH before 10.6, the value "none" for a configuration option is sometimes interpreted as a filename but was intended to mean that a feature is disabled.

Frequently asked questions

What is CVE-2026-106587?: In sshd in OpenSSH before 10.6, the value "none" for a configuration option is sometimes interpreted as a filename but was intended to mean that a feature is disabled.
How severe is CVE-2026-106587?: CVE-2026-106587 has a CVSS 3.x base score of 3.6, rated low severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability low.
Is CVE-2026-106587 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-106587?: CVE-2026-106587 affects Openbsd Openssh. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-106587?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2026-106587 published?: CVE-2026-106587 was published on 2026-10-06 and last updated on 2026-10-09.

References

https://www.openssh.org/releasenotes.html#10.6

Affected products (1)

cpe:2.3:a:openbsd:openssh:*:*:*:*:*:*:*:*

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Threat intelligence

Threat-intel indicators referencing this CVE:

152.32.236.102 (ipv4-addr)
111.229.155.203 (ipv4-addr)
45.43.36.172 (ipv4-addr)
162.245.218.45 (ipv4-addr)
34.79.89.168 (ipv4-addr)
202.81.237.36 (ipv4-addr)
146.148.25.49 (ipv4-addr)
185.239.85.249 (ipv4-addr)