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CVE-2026-27016

MEDIUM

5.4

Descricao

LibreNMS is an auto-discovering PHP/MySQL/SNMP based network monitoring tool. Versions 24.10.0 through 26.1.1 are vulnerable to Stored XSS via the unit parameter in Custom OID. The Custom OID functionality lacks strip_tags() sanitization while other fields (name, oid, datatype) are sanitized. The unsanitized value is stored in the database and rendered without HTML escaping. This issue is fixed in version 26.2.0.

Detalhes CVE

Pontuacao CVSS v3.15.4

SeveridadeMEDIUM

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

Vetor de ataqueNETWORK

ComplexidadeLOW

Privilegios necessariosLOW

Interacao do usuarioREQUIRED

Publicado2/20/2026

Ultima modificacao2/20/2026

Fontenvd

Avistamentos honeypot0

Produtos afetados

librenms:librenms

Fraquezas (CWE)

CWE-79CWE-116CWE-79

Referencias

https://github.com/librenms/librenms/commit/3bea263e02441690c01dea7fa3fe6ffec94af335(security-advisories@github.com)

https://github.com/librenms/librenms/pull/19040(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-fqx6-693c-f55g(security-advisories@github.com)

Correlacoes IOC

Sem correlacoes registradas

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