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CVE-2026-26989

MEDIUM

4.3

Descricao

LibreNMS is an auto-discovering PHP/MySQL/SNMP based network monitoring tool. Versions 25.12.0 and below are affected by a Stored Cross-Site Scripting (XSS) vulnerability in the Alert Rules workflow. An attacker with administrative privileges can inject malicious scripts that execute in the browser context of any user who accesses the Alert Rules page. This issue has been fixed in version 26.2.0.

Detalhes CVE

Pontuacao CVSS v3.14.3

SeveridadeMEDIUM

Vetor CVSSCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:L

Vetor de ataqueNETWORK

ComplexidadeLOW

Privilegios necessariosHIGH

Interacao do usuarioREQUIRED

Publicado2/20/2026

Ultima modificacao2/20/2026

Fontenvd

Avistamentos honeypot0

Produtos afetados

librenms:librenms

Fraquezas (CWE)

CWE-79

Referencias

https://github.com/librenms/librenms/commit/087608cf9f851189847cb8e8e5ad002e59170c58(security-advisories@github.com)

https://github.com/librenms/librenms/pull/19039(security-advisories@github.com)

https://github.com/librenms/librenms/releases/tag/26.2.0(security-advisories@github.com)

https://github.com/librenms/librenms/security/advisories/GHSA-6xmx-xr9p-58p7(security-advisories@github.com)

Correlacoes IOC

Sem correlacoes registradas

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