# Icinga 2 vulnerabilities

Source: https://junglewise.ai/threats/technologies/icinga-2  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/icinga-2.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 3 vulnerabilities in Icinga 2: 0 in the last 7 days and 3 in the last 90 days, 1 of them critical and 0 exploited in the wild. The most recent, CVE-2026-61552, was published on 18 September 2026. Nothing in the last four weeks, down from 3 vulnerabilities in the four before. 0 critical against 1.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 3
- All time: 3 (1 critical, 0 exploited in the wild)

## About Icinga 2

Open source monitoring system for infrastructure and application health checks.

## Latest Icinga 2 vulnerabilities

- [CVE-2026-61552: Icinga 2 API template injection in configuration generation](https://junglewise.ai/threats/cve-2026-61552-icinga-2-is-an-open-source-monitoring-system-from-2-4-until-2-14) (high, CVSS 7.2, published 18 Sep 2026)
- [CVE-2026-61551: Icinga 2 stack overflow in JSON parsing](https://junglewise.ai/threats/cve-2026-61551-icinga-2-is-an-open-source-monitoring-system-prior-to-2-14-9-2-15) (high, CVSS 8.6, published 18 Sep 2026)
- [CVE-2026-61550: Icinga 2 authentication bypass in certificate update JSON-RPC](https://junglewise.ai/threats/cve-2026-61550-icinga-2-is-an-open-source-monitoring-system-from-2-8-until-2-14) (critical, CVSS 9.8, published 18 Sep 2026)

## Most severe Icinga 2 vulnerabilities

- [CVE-2026-61550: Icinga 2 authentication bypass in certificate update JSON-RPC](https://junglewise.ai/threats/cve-2026-61550-icinga-2-is-an-open-source-monitoring-system-from-2-8-until-2-14) (critical, CVSS 9.8, published 18 Sep 2026)
- [CVE-2026-61551: Icinga 2 stack overflow in JSON parsing](https://junglewise.ai/threats/cve-2026-61551-icinga-2-is-an-open-source-monitoring-system-prior-to-2-14-9-2-15) (high, CVSS 8.6, published 18 Sep 2026)
- [CVE-2026-61552: Icinga 2 API template injection in configuration generation](https://junglewise.ai/threats/cve-2026-61552-icinga-2-is-an-open-source-monitoring-system-from-2-4-until-2-14) (high, CVSS 7.2, published 18 Sep 2026)

## Vulnerabilities per week

Nothing in the last four weeks, down from 3 vulnerabilities in the four before. 0 critical against 1.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 3 | 1 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Icinga 2 vulnerabilities", https://junglewise.ai/threats/technologies/icinga-2, 9 November 2026.