CVE-2026-60000 Denial of service in OpenSSH
Remote attackers can cause denial of service via resource consumption due to mishandled MaxAuthTries in GSSAPI authentication.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-60000?
CVE-2026-60000 is a low-severity denial of service vulnerability in OpenSSH, published on 8 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-770
Which versions are affected by CVE-2026-60000?
It affects 1 product.
Products include OpenSSH.
How do I fix CVE-2026-60000?
Upgrade to a fixed version.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-60000 being exploited?
There is no known exploitation of CVE-2026-60000 in the wild and no public exploit code.
Other vulnerabilities in OpenSSH
Sources
Also known as ALPINE-CVE-2026-60000, AZL-92048, BELL-CVE-2026-60000, CLSA-2026-1784204505, CLSA-2026-1784539708, CLSA-2026-1784736392 and 12 more.