Upstream information

CVE-2026-61550 at MITRE

Description

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.

SUSE information

Overall state of this security issue: Pending

This issue is currently rated as having important severity.

CVSS v3 Scores
CVSS detail CNA (GitHub) SUSE
Base Score 9.8 8.1
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network Network
Attack Complexity Low High
Privileges Required None None
User Interaction None None
Scope Unchanged Unchanged
Confidentiality Impact High High
Integrity Impact High High
Availability Impact High High
CVSSv3 Version 3.1 3.1
SUSE Bugzilla entry: 1281461 [NEW]

No SUSE Security Announcements cross referenced.

List of packages in QA

Product(s) Package(s)
SUSE Linux Enterprise Module for HPC 12
  • icinga2 >= 2.8.2-3.14.2
  • icinga2-bin >= 2.8.2-3.14.2
  • icinga2-common >= 2.8.2-3.14.2
  • icinga2-doc >= 2.8.2-3.14.2
  • icinga2-ido-mysql >= 2.8.2-3.14.2
  • icinga2-ido-pgsql >= 2.8.2-3.14.2
  • icinga2-libs >= 2.8.2-3.14.2
  • vim-icinga2 >= 2.8.2-3.14.2
SUSE Linux Enterprise Server 12 SP2
  • icinga2 >= 2.8.2-3.14.2
  • icinga2-bin >= 2.8.2-3.14.2
  • icinga2-common >= 2.8.2-3.14.2
  • icinga2-doc >= 2.8.2-3.14.2
  • icinga2-ido-mysql >= 2.8.2-3.14.2
  • icinga2-ido-pgsql >= 2.8.2-3.14.2
  • icinga2-libs >= 2.8.2-3.14.2
  • vim-icinga2 >= 2.8.2-3.14.2
SUSE Linux Enterprise Server for SAP Applications 12 SP2
  • icinga2 >= 2.8.2-3.14.2
  • icinga2-bin >= 2.8.2-3.14.2
  • icinga2-common >= 2.8.2-3.14.2
  • icinga2-doc >= 2.8.2-3.14.2
  • icinga2-ido-mysql >= 2.8.2-3.14.2
  • icinga2-ido-pgsql >= 2.8.2-3.14.2
  • icinga2-libs >= 2.8.2-3.14.2
  • vim-icinga2 >= 2.8.2-3.14.2
SUSE Linux Enterprise High Performance Computing 12 SP2
  • icinga2 >= 2.8.2-3.14.2
  • icinga2-bin >= 2.8.2-3.14.2
  • icinga2-common >= 2.8.2-3.14.2
  • icinga2-doc >= 2.8.2-3.14.2
  • icinga2-ido-mysql >= 2.8.2-3.14.2
  • icinga2-ido-pgsql >= 2.8.2-3.14.2
  • icinga2-libs >= 2.8.2-3.14.2
  • vim-icinga2 >= 2.8.2-3.14.2
SUSE Linux Enterprise Server 12 SP3
  • icinga2 >= 2.8.2-3.14.2
  • icinga2-bin >= 2.8.2-3.14.2
  • icinga2-common >= 2.8.2-3.14.2
  • icinga2-doc >= 2.8.2-3.14.2
  • icinga2-ido-mysql >= 2.8.2-3.14.2
  • icinga2-ido-pgsql >= 2.8.2-3.14.2
  • icinga2-libs >= 2.8.2-3.14.2
  • vim-icinga2 >= 2.8.2-3.14.2
SUSE Linux Enterprise Server for SAP Applications 12 SP3
  • icinga2 >= 2.8.2-3.14.2
  • icinga2-bin >= 2.8.2-3.14.2
  • icinga2-common >= 2.8.2-3.14.2
  • icinga2-doc >= 2.8.2-3.14.2
  • icinga2-ido-mysql >= 2.8.2-3.14.2
  • icinga2-ido-pgsql >= 2.8.2-3.14.2
  • icinga2-libs >= 2.8.2-3.14.2
  • vim-icinga2 >= 2.8.2-3.14.2
SUSE Linux Enterprise High Performance Computing 12 SP3
  • icinga2 >= 2.8.2-3.14.2
  • icinga2-bin >= 2.8.2-3.14.2
  • icinga2-common >= 2.8.2-3.14.2
  • icinga2-doc >= 2.8.2-3.14.2
  • icinga2-ido-mysql >= 2.8.2-3.14.2
  • icinga2-ido-pgsql >= 2.8.2-3.14.2
  • icinga2-libs >= 2.8.2-3.14.2
  • vim-icinga2 >= 2.8.2-3.14.2
SUSE Linux Enterprise Server 12 SP4
  • icinga2 >= 2.8.2-3.14.2
  • icinga2-bin >= 2.8.2-3.14.2
  • icinga2-common >= 2.8.2-3.14.2
  • icinga2-doc >= 2.8.2-3.14.2
  • icinga2-ido-mysql >= 2.8.2-3.14.2
  • icinga2-ido-pgsql >= 2.8.2-3.14.2
  • icinga2-libs >= 2.8.2-3.14.2
  • vim-icinga2 >= 2.8.2-3.14.2
SUSE Linux Enterprise Server for SAP Applications 12 SP4
  • icinga2 >= 2.8.2-3.14.2
  • icinga2-bin >= 2.8.2-3.14.2
  • icinga2-common >= 2.8.2-3.14.2
  • icinga2-doc >= 2.8.2-3.14.2
  • icinga2-ido-mysql >= 2.8.2-3.14.2
  • icinga2-ido-pgsql >= 2.8.2-3.14.2
  • icinga2-libs >= 2.8.2-3.14.2
  • vim-icinga2 >= 2.8.2-3.14.2
SUSE Linux Enterprise High Performance Computing 12 SP4
  • icinga2 >= 2.8.2-3.14.2
  • icinga2-bin >= 2.8.2-3.14.2
  • icinga2-common >= 2.8.2-3.14.2
  • icinga2-doc >= 2.8.2-3.14.2
  • icinga2-ido-mysql >= 2.8.2-3.14.2
  • icinga2-ido-pgsql >= 2.8.2-3.14.2
  • icinga2-libs >= 2.8.2-3.14.2
  • vim-icinga2 >= 2.8.2-3.14.2
SUSE Linux Enterprise Server 12 SP5
  • icinga2 >= 2.8.2-3.14.2
  • icinga2-bin >= 2.8.2-3.14.2
  • icinga2-common >= 2.8.2-3.14.2
  • icinga2-doc >= 2.8.2-3.14.2
  • icinga2-ido-mysql >= 2.8.2-3.14.2
  • icinga2-ido-pgsql >= 2.8.2-3.14.2
  • icinga2-libs >= 2.8.2-3.14.2
  • vim-icinga2 >= 2.8.2-3.14.2
SUSE Linux Enterprise Server for SAP Applications 12 SP5
  • icinga2 >= 2.8.2-3.14.2
  • icinga2-bin >= 2.8.2-3.14.2
  • icinga2-common >= 2.8.2-3.14.2
  • icinga2-doc >= 2.8.2-3.14.2
  • icinga2-ido-mysql >= 2.8.2-3.14.2
  • icinga2-ido-pgsql >= 2.8.2-3.14.2
  • icinga2-libs >= 2.8.2-3.14.2
  • vim-icinga2 >= 2.8.2-3.14.2
SUSE Linux Enterprise High Performance Computing 12 SP5
  • icinga2 >= 2.8.2-3.14.2
  • icinga2-bin >= 2.8.2-3.14.2
  • icinga2-common >= 2.8.2-3.14.2
  • icinga2-doc >= 2.8.2-3.14.2
  • icinga2-ido-mysql >= 2.8.2-3.14.2
  • icinga2-ido-pgsql >= 2.8.2-3.14.2
  • icinga2-libs >= 2.8.2-3.14.2
  • vim-icinga2 >= 2.8.2-3.14.2

Status of this issue by product and package

Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification. The updates are grouped by state of their lifecycle. SUSE product lifecycles are documented on the lifecycle page.

Product(s) Source package State
Products under general support and receiving all security fixes.
SUSE Manager Client Tools 12 icinga Not affected
SUSE Manager Client Tools 12-BETA icinga Not affected
SUSE Manager Client Tools for SLE 12 icinga Not affected
Products under Long Term Service Pack support and receiving important and critical security fixes.
SUSE Linux Enterprise High Performance Computing 12 SP5 icinga2 In progress
SUSE Linux Enterprise Module for HPC 12 icinga2 In progress
SUSE Linux Enterprise Server 12 SP5 icinga2 In progress
SUSE Linux Enterprise Server for SAP Applications 12 SP5 icinga2 In progress
Products past their end of life and not receiving proactive updates anymore.
SUSE Enterprise Storage 4 icinga Not affected
SUSE Linux Enterprise High Performance Computing 12 SP2 icinga2 In progress
SUSE Linux Enterprise High Performance Computing 12 SP3 icinga2 In progress
SUSE Linux Enterprise High Performance Computing 12 SP4 icinga2 In progress
SUSE Linux Enterprise Server 12 SP2 icinga2 In progress
SUSE Linux Enterprise Server 12 SP3 icinga2 In progress
SUSE Linux Enterprise Server 12 SP4 icinga2 In progress
SUSE Linux Enterprise Server for SAP Applications 12 SP2 icinga2 In progress
SUSE Linux Enterprise Server for SAP Applications 12 SP3 icinga2 In progress
SUSE Linux Enterprise Server for SAP Applications 12 SP4 icinga2 In progress

SUSE Timeline for this CVE

CVE page created: Mon Sep 21 11:50:21 2026
CVE page last modified: Wed Sep 23 17:39:39 2026