CVE-2026-106586

LOW
Published Oct 6, 2026 Modified Oct 7, 2026 CWE-670

Description

In sshd in OpenSSH before 10.6, the restrict keyword (in authorized_keys) was supposed to be applicable to tunnel forwarding but was not, a different vulnerability than CVE-2026-73283.

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CVSS v3.1 Score

2.5
LOW
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N

EPSS — Exploit Prediction

0.0008
Probability of exploitation
0.00%
Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-670 CWE-670

References

Frequently Asked Questions

What is CVE-2026-106586? +
In sshd in OpenSSH before 10.6, the restrict keyword (in authorized_keys) was supposed to be applicable to tunnel forwarding but was not, a different vulnerability than CVE-2026-73283. It has a CVSS v3.1 base score of 2.5 (LOW).
How severe is CVE-2026-106586? +
CVE-2026-106586 has a CVSS v3.1 score of 2.5 out of 10, rated LOW. This is a low-severity vulnerability with limited impact. The EPSS score is 0.0008, placing it in the 0th percentile for exploitation probability.
How do I check if I'm vulnerable to CVE-2026-106586? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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