Prometheus Alertmanager
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By the Year
In 2026 there have been 0 vulnerabilities in Prometheus Alertmanager. Alertmanager did not have any published security vulnerabilities last year.
| Year | Vulnerabilities | Average Score |
|---|---|---|
| 2026 | 0 | 0.00 |
| 2025 | 0 | 0.00 |
| 2024 | 0 | 0.00 |
| 2023 | 1 | 5.40 |
It may take a day or so for new Alertmanager vulnerabilities to show up in the stats or in the list of recent security vulnerabilities. Additionally vulnerabilities may be tagged under a different product or component name.
Recent Prometheus Alertmanager Security Vulnerabilities
Alertmanager <=0.2.51 Arbitrary JS Exec via /api/v1/alerts
CVE-2023-40577
5.4 - Medium
- August 25, 2023
Alertmanager handles alerts sent by client applications such as the Prometheus server. An attacker with the permission to perform POST requests on the /api/v1/alerts endpoint could be able to execute arbitrary JavaScript code on the users of Prometheus Alertmanager. This issue has been fixed in Alertmanager version 0.2.51.
XSS
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