CVE-2026-27016: LibreNMS has a Stored XSS in Custom OID - unit parameter missing strip_tags()

medium Affects librenms/librenms. Feed 2026.10.29.2, updated 2026-10-29; published 2026-02-18; advisory modified 2026-02-20.

LibreNMS has a Stored XSS in Custom OID - unit parameter missing strip_tags()

Package: librenms/librenms Composer
Affected versions: >=24.10.0 and <26.2.0
Fixed in: 26.2.0
Severity: medium CVSS 5.4
Exploitation: not on CISA KEV · EPSS 0% (18.1th percentile)
Published: 2026-02-18
Source: osv.dev

References

CWE-116 CWE-79

NVD record librenms/librenms advisories

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