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Vulnerability record · CVE-2020-15874 · published 26 August 2026

CVE-2020-15874: Command injection vulnerability

An issue was discovered in LibreNMS 1.65. A remote authenticated attacker with normal privileges can execute arbitrary shell commands through a command injection in the /graph.php API endpoint.

8.8 CVSS 3.1 High EPSS 1.1% · top 35.1% CWE-77 · Command injection Deferred
8.8CVSS 3.1 base score
1.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
6References
3 Sep 2026Last modified by NVD

Description

An issue was discovered in LibreNMS 1.65. A remote authenticated attacker with normal privileges can execute arbitrary shell commands through a command injection in the /graph.php API endpoint.

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

References

LinkTags
https://community.librenms.org/c/announcements
https://github.com/librenms/librenms/compare/1.65...1.65.1
https://github.com/librenms/librenms/releases/tag/1.65.1
https://shielder.it/blog
https://www.shielder.com/advisories/librenms-graph-authenticated-command-injection/
https://www.shielder.com/advisories/librenms-graph-authenticated-command-injection/

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Source: NIST National Vulnerability Database (record CVE-2020-15874), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.