What’s Vulnerable › Vulnerabilities

CVE-2026-92720: Kubero through 3.1.1 Unauthenticated Notifications API Access

• Severity: critical (CVSS 9.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-16 · updated 2026-09-24
• Weakness: CWE-306

Description

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.

Affected products

• kubero-dev kubero: through 3.1.1

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

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