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CVE-2026-27016

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CVSS 3.1
5.4 medium
EPSS
<1%p13
Published
()
Modified
Description

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.

Vendors
librenms
Products
librenms
Weakness
CWE-79, CWE-116
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
NVD CVE.org GitHub PoCs EPSS (0.2%)

In the news

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