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CVE-2026-84192 LibreNMS before 26.3.1 Stored XSS via SNMP/Syslog Data

🗓️ 01 Sep 2026 11:33:56Reported by VulnCheckType 
cvelist
 cvelist
🔗 www.cve.org👁 47 Views

Stored XSS in LibreNMS before 26.3.1 via unescaped SNMP and syslog data in legacy PHP templates.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
bdu_fstec
BDU FSTEC
LibreNMS XSS
24 Sep 202600:00
–bdu_fstec
cve
CVE
CVE-2026-84192
1 Sep 202611:33
–cve
euvd
EUVD
EUVD-2026-69029
1 Sep 202611:33
–euvd
mend
Mend
CVE-2026-84192
1 Sep 202611:33
–mend
nvd
NVD
CVE-2026-84192
1 Sep 202612:17
–nvd
osv_cve
osv_cve
CVE-2026-84192 LibreNMS before 26.3.1 Stored XSS via SNMP/Syslog Data
1 Sep 202611:33
–osv_cve
osv_ghsa
osv_ghsa
GHSA-7W8C-QGXG-M7JX LibreNMS — Stored XSS via SNMP/Syslog Data in Legacy Templates
26 Aug 202618:05
–osv_ghsa
ptsecurity
Positive Technologies
PT-2026-84155
1 Sep 202600:00
–ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2026-84192: Improper Neutralization of Input During Web Page Generation
1 Sep 202600:00
–rapid7
snyk
Snyk
Cross-site Scripting (XSS)
26 Aug 202618:05
–snyk
Rows per page
[
  {
    "vendor": "librenms",
    "product": "librenms",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "version": "0",
        "status": "affected",
        "versionType": "semver",
        "lessThan": "26.3.1"
      },
      {
        "version": "26.3.1",
        "status": "unaffected",
        "versionType": "semver"
      }
    ],
    "packageURL": "pkg:composer/librenms/librenms"
  }
]

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08 Oct 2026 15:25Current
CVSS 47.1
CVSS 3.17.1
EPSS0.00331
SSVC
47