CVE-2026-60000: openssh DoS (CVSS 3.7)

Description

sshd in OpenSSH before 10.4 allows remote attackers to cause a denial of service (resource consumption from excessive authentication attempts) because MaxAuthTries was mishandled for GSSAPIAuthentication.

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CVSS v3.1 Score

3.7

LOW

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

EPSS — Exploit Prediction

0.0041

Probability of exploitation

0.33%

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-770 CWE-770

Affected Products

Vendor	Product	Versions
openbsd	openssh	< 10.4

References

Other References

https://marc.info/?l=openssh-unix-dev&m=178333966933090&w=2 https://www.openssh.org/releasenotes.html#10.4p1 https://www.openwall.com/lists/oss-security/2026/07/06/5

Frequently Asked Questions

What is CVE-2026-60000? +

sshd in OpenSSH before 10.4 allows remote attackers to cause a denial of service (resource consumption from excessive authentication attempts) because MaxAuthTries was mishandled for GSSAPIAuthentication. It has a CVSS v3.1 base score of 3.7 (LOW).

How severe is CVE-2026-60000? +

CVE-2026-60000 has a CVSS v3.1 score of 3.7 out of 10, rated LOW. This is a low-severity vulnerability with limited impact. The EPSS score is 0.0041, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-60000? +

CVE-2026-60000 affects products from openbsd, specifically: openssh. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-60000? +

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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