CVE-2026-61550 (GCVE-0-2026-61550)
Vulnerability from cvelistv5
Published
2026-09-18 17:21
Modified
2026-09-21 20:49
Severity ?
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
Summary
Icinga 2 is an open source monitoring system. From 2.8 until 2.14.9, 2.15.4, and 2.16.2, certificate update JSON-RPC message handling does not validate that the sender is a trusted endpoint. An unauthenticated network attacker able to connect to TCP port 5665 can replace the node certificate and trusted CA certificate, impersonate a trusted node, and take control of the node. This issue is fixed in versions 2.14.9, 2.15.4, and 2.16.2.
References
Impacted products
Vendor Product Version
Icinga icinga2 Version: >= 2.8, < 2.14.9
Version: >= 2.15.0, < 2.15.4
Version: >= 2.16.0, < 2.16.2
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