CVE-2026-60000
OpenSSH GSSAPIAuthentication Denial of Service
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.
INFO
Published Date :
July 8, 2026, 1:16 a.m.
Last Modified :
July 9, 2026, 4:51 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | LOW | 8254265b-2729-46b6-b9e3-3dfca2d5bfca | ||||
| CVSS 3.1 | LOW | [email protected] | ||||
| CVSS 3.1 | HIGH | [email protected] |
Solution
- Update OpenSSH to version 10.4 or later.
- Review GSSAPIAuthentication configuration settings.
Public PoC/Exploit Available at Github
CVE-2026-60000 has a 1 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-60000.
| URL | Resource |
|---|---|
| https://marc.info/?l=openssh-unix-dev&m=178333966933090&w=2 | Release Notes |
| https://www.openssh.org/releasenotes.html#10.4p1 | Release Notes |
| https://www.openwall.com/lists/oss-security/2026/07/06/5 | Mailing List Release Notes |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-60000 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-60000
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
SSH-MITM - ssh audits made simple
ssh ssh-server ssh-client mitmproxy mitm-attacks security-audit security-tools mitm proxy ssh-mitm sftp scp security penetration-testing python cve fido2 man-in-the-middle cve-2021-36367 cve-2021-36368
Python Roff Shell CSS HTML JavaScript
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-60000 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-60000 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Jul. 09, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Added CPE Configuration OR *cpe:2.3:a:openbsd:openssh:*:*:*:*:*:*:*:* versions up to (excluding) 10.4 Added Reference Type MITRE: https://marc.info/?l=openssh-unix-dev&m=178333966933090&w=2 Types: Release Notes Added Reference Type MITRE: https://www.openssh.org/releasenotes.html#10.4p1 Types: Release Notes Added Reference Type MITRE: https://www.openwall.com/lists/oss-security/2026/07/06/5 Types: Mailing List, Release Notes -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jul. 08, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-60000', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-07-08T13:06:03.495582Z'} -
New CVE Received by [email protected]
Jul. 08, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'OpenBSD', 'product': 'OpenSSH', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': '10.4', 'versionType': 'custom'}], 'defaultStatus': 'unaffected'}] Added 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. Added CVSS V3.1 AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L Added CWE CWE-770 Added Reference https://marc.info/?l=openssh-unix-dev&m=178333966933090&w=2 Added Reference https://www.openssh.org/releasenotes.html#10.4p1 Added Reference https://www.openwall.com/lists/oss-security/2026/07/06/5