CVE-2026-26989: librenms

csirt@kutim:~/threat-intel/cve/CVE-2026-26989

CVSS 4.8 · Medium EPSS 0,35%

Kerentanan Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') pada librenms. Skor CVSS 3.1 4.8 (Medium) menurut NVD.

Deskripsi (NVD)

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.

Rincian

Terbit di NVD: 20 Februari 2026
Terakhir diubah: 17 Juni 2026
Status NVD: Analyzed
CVSS 3.1: 4.8 (Medium), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
EPSS (30 hari): 0,35% peluang dieksploitasi; lebih tinggi dari 26,6% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
librenms	librenms	Semua versi sebelum 26.2.0

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://github.com/librenms/librenms/commit/087608cf9f851189847cb8e8e5ad002e59170c58 patch
https://github.com/librenms/librenms/security/advisories/GHSA-6xmx-xr9p-58p7 exploit · advisory pihak ketiga
https://github.com/librenms/librenms/pull/19039 issue tracking
https://github.com/librenms/librenms/releases/tag/26.2.0 product · release notes

Sumber: NVD · CVE.org · EPSS. Halaman ini disusun otomatis dari data tersebut; pembaruan terakhir 5 Okt 2026, 20:11 WITA. Kalau sistem di Perangkat Daerah memakai produk ini dan butuh bantuan, laporkan lewat kanal pelaporan.