Auth bypass in Kite-Org Kite
CVE-2026-53487
Kite is a Kubernetes dashboard. Prior to version 0.12.3, authenticated Kite users with any role can request `/api/v1/overview` for a cluster that their roles do not permit by selecting that cluster with `x-cluster-name`. The overview route is registered before `middleware.RBACMiddleware()` and `GetOverview` only checks `len(user.Roles) > 0`, so it returns aggregate Kubernetes inventory and capacity data from unauthorized clusters. Version 0.12.3 fixes the issue.
Vulnerability class: Broken Access Control
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
Affected products
- Kite-org Kite — versions < 0.12.3
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM)
Frequently asked questions
- What is CVE-2026-53487?
- CVE-2026-53487 is a medium-severity vulnerability in Kite-Org Kite, classified under Missing Authorization. CVSS score: 4.3/10. Published 2026-08-21.
- How severe is CVE-2026-53487?
- Medium severity. CVSS v3 base score is 4.3 out of 10.