9.1Critical
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.
What this means for your business
- An attacker can use it remotely, over a network, without a login, and without anyone at your company clicking anything.
What to do
- 1Ask your IT team or provider whether any of your systems use the affected product.
- 2If you do, follow the vendor's guidance. No patch reference has been published yet.
Not sure if your company is exposed?
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Scoring
- CVSS
- 9.1 (v3.1)
- Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N- CVSS v4
- 9.3
- Weakness
- CWE-306
- Assigned by
- disclosure@vulncheck.com
Dates
- Published
- 2026-09-16
- Last modified
- 2026-09-17
- Sources
- NVD
References
- https://github.com/kubero-dev/kubero
- https://github.com/kubero-dev/kubero/blob/v3.1.1/server/src/main.ts
- https://github.com/kubero-dev/kubero/blob/v3.1.1/server/src/notifications/notifications.controller.ts#L23-L33
- https://github.com/kubero-dev/kubero/issues/753
- https://www.vulncheck.com/advisories/kubero-through-3.1.1-unauthenticated-notifications-api-access