Resource exhaustion in OpenSSH - CVE-2026-60000
Published: July 15, 2026
Vulnerability identifier: #VU137702
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-60000
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: OpenSSH
Affected software:
OpenSSH
OpenSSH
Detailed vulnerability description
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to improper resource handling in sshd(8) when processing pre-authentication GSSAPI requests. A remote attacker can send crafted authentication attempts to cause a denial of service.
Only configurations with GSSAPIAuthentication enabled are affected.
How to mitigate CVE-2026-60000
Install security update from vendor's website.