CVE-2026-92720

CRITICAL 9.1

Kubero through 3.1.1 Unauthenticated Notifications API Access

CVSS Score

9.1

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-306
Vendor	kubero-dev
Product	kubero
Published	Sep 16, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

Affected Versions

kubero-dev / kubero

0 ≤ 3.1.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/kubero-dev/kubero/issues/753 github.com: https://github.com/kubero-dev/kubero github.com: https://github.com/kubero-dev/kubero/blob/v3.1.1/server/src/notifications/notifications.controller.ts#L23-L33 github.com: https://github.com/kubero-dev/kubero/blob/v3.1.1/server/src/main.ts vulncheck.com: https://www.vulncheck.com/advisories/kubero-through-3.1.1-unauthenticated-notifications-api-access

Credits

🔍 George Chen