{"id":"CVE-2026-61552","title":"Icinga 2 is an open source monitoring system","summary":"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 o…","severity":"high","cvss":7.2,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-94"],"vendor":"Icinga","product":"icinga2","affected":["icinga2 >= 2.4, < 2.14.9","icinga2 >= 2.15.0, < 2.15.4","icinga2 >= 2.16.0, < 2.16.2"],"published":"2026-09-18","updated":"2026-09-18","sourceUpdated":"2026-09-18T18:17:09.263","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-61552","references":[{"url":"https://github.com/Icinga/icinga2/commit/125b7734e84d03f09b79d36c270152b11629a8c5","label":"security-advisories@github.com"},{"url":"https://github.com/Icinga/icinga2/commit/af4b36e6464b9b214bed270a53d6474cf91eb441","label":"security-advisories@github.com"},{"url":"https://github.com/Icinga/icinga2/commit/eec0d90e8303376fe772b3e4a04e3b064a44cf30","label":"security-advisories@github.com"},{"url":"https://github.com/Icinga/icinga2/commit/faf0450962ad678397991cfdf041810feafa71e7","label":"security-advisories@github.com"},{"url":"https://github.com/Icinga/icinga2/pull/10910","label":"security-advisories@github.com"},{"url":"https://github.com/Icinga/icinga2/releases/tag/v2.14.9","label":"security-advisories@github.com"},{"url":"https://github.com/Icinga/icinga2/releases/tag/v2.15.4","label":"security-advisories@github.com"},{"url":"https://github.com/Icinga/icinga2/releases/tag/v2.16.2","label":"security-advisories@github.com"},{"url":"https://github.com/Icinga/icinga2/security/advisories/GHSA-jgqj-x5j9-vgcm","label":"security-advisories@github.com"},{"url":"https://icinga.com/blog/icinga2-security-release-v2-16-2","label":"security-advisories@github.com"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-09-18T18:05:25.228828Z"},"ingestedAt":"2026-09-18T17:46:41.541Z","epss":0.00623,"epssPercentile":0.48176,"slug":"CVE-2026-61552","body":"## Overview\n\nIcinga 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":40,"depthScoreParts":{"impact":39.6,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}