CVE-2026-61552— Icinga 2 DSL Injection via Unescaped Import Template Name
Quick assessment
Affected
Icinga icinga2
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
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/* permiss
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I. Basic Information for CVE-2026-61552
Vulnerability Information
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Vulnerability Title
Icinga 2 DSL Injection via Unescaped Import Template Name
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对生成代码的控制不恰当(代码注入)
Source: CVE Program / CVE List V5
Affected Products
II. Public POCs for CVE-2026-61552
| # | POC Description | Source Link | Shenlong Link |
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Patches & Fixes for CVE-2026-61552 (5)
Security Blog Posts for CVE-2026-61552 (1)
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Releasing Icinga 2 v2.16.2, 2.15.4 and 2.14.9 x_refsource_MISC
Other References for CVE-2026-61552 (3)
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Release Icinga 2 v2.15.4 · Icinga/icinga2 · GitHub x_refsource_MISC
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Release Icinga 2 v2.14.9 · Icinga/icinga2 · GitHub x_refsource_MISC
Other References for CVE-2026-61552 (1)
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https://github.com/Icinga/icinga2/releases/tag/v2.16.2 x_refsource_MISC
Same Patch Batch · Icinga · 2026-09-18 · 3 CVEs total
| CVE-2026-61550 | 9.8 CRITICAL | Icinga 2: Improper access control for JSON-RPC update certificate messages |
| CVE-2026-61551 | 8.6 HIGH | Icinga 2: Stack overflow via deeply nested JSON objects |
IV. Related Vulnerabilities
Same product: icinga2
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CVE-2026-61551
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CVE-2026-61550
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Same weakness: CWE-94
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V. Comments for CVE-2026-61552
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