How severe is CVE-2026-106585?

CVE-2026-106585 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability low.

Is CVE-2026-106585 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-106585?

CVE-2026-106585 affects Openbsd Openssh. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-106585?

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

When was CVE-2026-106585 published?

CVE-2026-106585 was published on 2026-10-06 and last updated on 2026-10-15.

CVE-2026-106585

CVE-2026-106585 is a medium-severity vulnerability in Openbsd Openssh with a CVSS 3.x base score of 6.5. 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-409.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (8th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-409
Affected product: Openbsd Openssh
Published: 2026-10-06
Last modified: 2026-10-15

Description

In sshd and ssh in OpenSSH before 10.6, there is no check for whether the maximum packet length is exceeded during decompression of highly compressed data.

Frequently asked questions

What is CVE-2026-106585?: In sshd and ssh in OpenSSH before 10.6, there is no check for whether the maximum packet length is exceeded during decompression of highly compressed data.
How severe is CVE-2026-106585?: CVE-2026-106585 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability low.
Is CVE-2026-106585 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-106585?: CVE-2026-106585 affects Openbsd Openssh. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-106585?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2026-106585 published?: CVE-2026-106585 was published on 2026-10-06 and last updated on 2026-10-15.

References

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

Affected products (1)

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

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Other CWE-409 vulnerabilities

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CVE-2026-68911 — High (CVSS 8.7): Nicotine+ is a graphical client for the Soulseek peer-to-peer network. Prior to version 3.3.11, a modified remote…
CVE-2026-77620 — High (CVSS 8.7): Vector is a high-performance observability data pipeline. From 0.15.0 until 0.57.0, the logstash source feeds each…
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Browse all CWE-409 vulnerabilities →

Threat intelligence

Threat-intel indicators referencing this CVE:

111.229.155.203 (ipv4-addr)
162.245.218.45 (ipv4-addr)
117.24.243.99 (ipv4-addr)
162.214.74.29 (ipv4-addr)
195.154.199.162 (ipv4-addr)
120.79.247.255 (ipv4-addr)
162.19.251.6 (ipv4-addr)
142.86.120.115 (ipv4-addr)