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CVE-2026-26989

MEDIUM

4.3

Beschreibung

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.

CVE Details

CVSS v3.1 Bewertung4.3

SchweregradMEDIUM

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

AngriffsvektorNETWORK

KomplexitatLOW

Erforderliche PrivilegienHIGH

BenutzerinteraktionREQUIRED

Veroffentlicht2/20/2026

Zuletzt geandert2/20/2026

Quellenvd

Honeypot-Sichtungen0

Betroffene Produkte

librenms:librenms

Schwachen (CWE)

CWE-79

Referenzen

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)

IOC Korrelationen

Keine Korrelationen erfasst

This product uses data from the NVD API but is not endorsed or certified by the NVD.