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Vulnerability record · CVE-2026-61552 · published 18 September 2026

CVE-2026-61552: Code injection vulnerability

Icinga 2 is an open source monitoring system. From 2.4 until 2.14.9, 2.15.4, and 2.16.2, the /v1/objects API writes attacker-controlled template names into generated configuration without escaping them. An authenticated ApiUser with an objects/create/* permission can inject Icinga 2 DSL configuration, escape the intended object, create additional objects, and exceed the user's assigned privileges. This issue is fixed in versions 2.14.9, 2.15.4, and 2.16.2.

7.2 CVSS 3.1 High EPSS 0.90% · top 41.9% CWE-94 · Code injection Awaiting Analysis
7.2CVSS 3.1 base score
0.90%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
10References
24 Sep 2026Last modified by NVD

Description

Icinga 2 is an open source monitoring system. From 2.4 until 2.14.9, 2.15.4, and 2.16.2, the /v1/objects API writes attacker-controlled template names into generated configuration without escaping them. An authenticated ApiUser with an objects/create/* permission can inject Icinga 2 DSL configuration, escape the intended object, create additional objects, and exceed the user's assigned privileges. This issue is fixed in versions 2.14.9, 2.15.4, and 2.16.2.

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

References

LinkTags
https://github.com/Icinga/icinga2/commit/125b7734e84d03f09b79d36c270152b11629a8c5
https://github.com/Icinga/icinga2/commit/af4b36e6464b9b214bed270a53d6474cf91eb441
https://github.com/Icinga/icinga2/commit/eec0d90e8303376fe772b3e4a04e3b064a44cf30
https://github.com/Icinga/icinga2/commit/faf0450962ad678397991cfdf041810feafa71e7
https://github.com/Icinga/icinga2/pull/10910
https://github.com/Icinga/icinga2/releases/tag/v2.14.9
https://github.com/Icinga/icinga2/releases/tag/v2.15.4
https://github.com/Icinga/icinga2/releases/tag/v2.16.2
https://github.com/Icinga/icinga2/security/advisories/GHSA-jgqj-x5j9-vgcm
https://icinga.com/blog/icinga2-security-release-v2-16-2

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Source: NIST National Vulnerability Database (record CVE-2026-61552), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.