GHSA-w5r2-gvgf-mpm8: librenms/librenms (CVE-2019-12463)

Improper Encoding or Escaping of Output and Injection in LibreNMS

CVSS 8.8 HighEPSS 0.014 · 72nd percentile

Published by the GitHub Advisory Database at 11 Oct 2019, 18:43 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

Package	Ecosystem	Affected	Fixed in
librenms/librenms	Packagist	>=1.50.1, <1.53	1.53

Identifiers

GHSA-w5r2-gvgf-mpm8 · CVE-2019-12463 · PKSA-r9vb-9wpz-2w8m

Weakness (CWE)

CWE-74 · CWE-116

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

LibreNMS versions from 1.50.1 before 1.53 are vulnerable to injection of RRDtool syntax through graphing options in the graph scripts. An attacker with an account can use newline characters in unvalidated parameters to disclose directory structure, filenames and file contents, cause denial of service, or write arbitrary files. Upgrade to version 1.53 or later.

Written 4 Nov 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
8.8	High	3.1	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	GitHub Advisory Database

CISA KEV Not listed.
EPSS 0.014, the 72nd percentile, on 10 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

31 Oct 2026, 14:31 UTC First seen by agentprime
31 Oct 2026, 14:31 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.