Linuxfabrik monitoring-plugins: Symlink following in logfile legacy database migration

{
  "id": "ba123cc2e904f6dc76b0631fc19bc6372c368d8a58ccd7611ce0ea433eb9d4f4",
  "url": "https://osv.dev/vulnerability/CVE-2026-67433",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Linuxfabrik monitoring-plugins: Symlink following in logfile legacy database migration",
    "summary": "Linuxfabrik monitoring-plugins provides Python monitoring plugins for Icinga, Nagios, and related monitoring systems. In version 6.0.0, the logfile check legacy database migration moved a predictable path from /tmp with os.rename() and allowed a local user controlling the plugin account to place a symlink that would be followed by sqlite3.connect() during a root-run check.",
    "evidence": "osv:CVE-2026-67433",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2026-67433",
      "aliases": [
        "CVE-2026-67433",
        "GHSA-w2gg-hx6w-24w3"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/linuxfabrik/monitoring-plugins",
              "type": "GIT",
              "events": [
                {
                  "introduced": "7e5f133c769d5082650fbfe10c0ad553129de96b"
                },
                {
                  "fixed": "6df1f574aa9dc6541e092f1ce482ecc1315cded0"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "6.0.0"
                      },
                      {
                        "last_affected": "6.0.0"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandaloneSingleVersion"
                  },
                  {
                    "range": [
                      {
                        "fixed": "6df1f574aa9dc6541e092f1ce482ecc1315cded0"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "6.0.0",
            "v6.0.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-67433.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:52.514283002Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/67xxx/CVE-2026-67433.json",
        "https://github.com/Linuxfabrik/monitoring-plugins/security/advisories/GHSA-w2gg-hx6w-24w3",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-67433",
        "https://github.com/Linuxfabrik/monitoring-plugins/commit/6df1f574aa9dc6541e092f1ce482ecc1315cded0"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-367",
          "CWE-59"
        ],
        "cna_assigner": "GitHub_M",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/67xxx/CVE-2026-67433.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-67433",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 521412,
  "published_at": "2026-07-29T19:27:41.844+00:00"
}