CVE-2026-61550: fallo crítico en icinga2
Icinga 2: Improper access control for JSON-RPC update certificate messages
Publicada el · Actualizada el
Aviso por correo cuando entre en el KEV, tenga PoC pública o suba de nota.
28Vexday Risk Score
Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.
ssvc Trackcvss 9.8epss 0.7%
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Productos afectados
Icinga · icinga2CVEs relacionadas — icinga2
En el mismo producto, de las más peligrosas a las menos.
CVE-2024-49369CRITICALIcinga 2 has a TLS Certificate Validation Bypass for JSON-RPC and HTTP API ConnectionsEPSS 2.9%CVE-2021-32743HIGHPasswords used to access external services inadvertently exposed through APIEPSS 1.8%CVE-2021-37698HIGHMissing TLS service certificate validation in GelfWriter, ElasticsearchWriter, InfluxdbWriter and Influxdb2WriterEPSS 1.4%CVE-2021-32739HIGHResults of queries for ApiListener objects include the ticket salt which allows in turn to steal (more privileged) identitiesEPSS 1.1%CVE-2026-61551HIGHIcinga 2: Stack overflow via deeply nested JSON objectsEPSS 0.9%CVE-2026-61552HIGHIcinga 2 DSL Injection via Unescaped Import Template NameEPSS 0.9%
Referencias
https://github.com/Icinga/icinga2/commit/4b7fb3405f4616a24b2b55e20f603a56b7dd6ad0https://github.com/Icinga/icinga2/commit/6c2e0db3819f859910a4ae265461cb51b1d2039chttps://github.com/Icinga/icinga2/commit/a6f7cc7a4ef8beed023b24416106822d6940c4c0https://github.com/Icinga/icinga2/commit/d37b0cfd7d9595ae2f02fadb3d724c98d8620f81https://github.com/Icinga/icinga2/pull/10907https://github.com/Icinga/icinga2/releases/tag/v2.14.9https://github.com/Icinga/icinga2/releases/tag/v2.15.4https://github.com/Icinga/icinga2/releases/tag/v2.16.2https://github.com/Icinga/icinga2/security/advisories/GHSA-vj39-ww8j-vvx5https://icinga.com/blog/icinga2-security-release-v2-16-2