{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "26.2.0"
              },
              {
                "fixed": "26.2.0"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "DESCRIPTION"
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "eeaa05618c22140d087739097b217800b0d6621f"
            }
          ],
          "repo": "https://github.com/librenms/librenms",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-v5jp-f342-234h"
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-79"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/84xxx/CVE-2026-84193.json"
  },
  "details": "LibreNMS through 26.2.0 contains a stored cross-site scripting vulnerability in legacy PHP template pages that render unescaped SNMP-sourced data fields including BGP peer descriptions, VRF names, process information, and SLA tags. Attackers with device management access or network access to enroll a rogue SNMP device can inject malicious JavaScript that executes when admins view affected routing and device pages, enabling credential theft and CSRF token exfiltration.",
  "id": "CVE-2026-84193",
  "modified": "2026-09-04T03:30:14.530913315Z",
  "published": "2026-09-01T11:33:57.100Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/84xxx/CVE-2026-84193.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/librenms/librenms/security/advisories/GHSA-v5jp-f342-234h"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-84193"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/librenms-through-26.2.0-stored-cross-site-scripting-via-snmp"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:P/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "LibreNMS through 26.2.0 Stored Cross-Site Scripting via SNMP"
}