Auth bypass in Kubero-Dev Kubero
CVE-2026-92720
Kubero through 3.1.1 fails to apply authentication guards to the notifications API endpoints, allowing unauthenticated attackers to read webhook secrets and service URLs. Attackers can retrieve stored credentials and register malicious webhooks to intercept pipeline events or suppress alerting by deleting existing configurations.
Vulnerability class: Broken Authentication
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.
Affected products
Weakness classification (CWE)
References
- disclosure@vulncheck.com (issue-tracking)
- disclosure@vulncheck.com (product)
- disclosure@vulncheck.com (technical-description)
- disclosure@vulncheck.com (technical-description)
- disclosure@vulncheck.com (third-party-advisory)
Frequently asked questions
- What is CVE-2026-92720?
- CVE-2026-92720 is a critical-severity vulnerability in Kubero-Dev Kubero, classified under Missing Authentication for Critical Function. CVSS score: 9.1/10. Published 2026-09-16.
- How severe is CVE-2026-92720?
- Critical severity. CVSS v3 base score is 9.1 out of 10.