{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-58393",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-10-15T16:07:43.427308Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-10-15T16:07:55.688Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "references": [
          {
            "tags": [
              "exploit"
            ],
            "url": "https://github.com/opnsense/core/security/advisories/GHSA-2m9v-p7r9-gfcw"
          }
        ],
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "core",
          "vendor": "opnsense",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 26.1.11"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "OPNsense is a FreeBSD based firewall and routing platform. Prior to version 26.1.11, the OpenVPN Client Specific Override common_name field accepts path traversal sequences and openvpn_csc_conf_write() concatenates the value into /var/etc/openvpn-csc/\u003cvpnid\u003e/\u003ccommon_name\u003e without normalization or a basename check. The affected event handlers are client_connect.php and user_pass_verify.php. An authenticated user with Client Specific Override privileges can store the traversal value, and a matching OpenVPN client-connect or authentication event causes a generated CSO file to be written outside the intended directory. The file content is generated OpenVPN configuration rather than arbitrary bytes, and practical exploitation requires the attacker to cause a matching common name or username to be processed. This issue is fixed in version 26.1.11."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 5.9,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:L",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-22",
              "description": "CWE-22: Improper Limitation of a Pathname to a Restricted Directory (\u0027Path Traversal\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-15T15:15:45.924Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/opnsense/core/security/advisories/GHSA-2m9v-p7r9-gfcw",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/opnsense/core/security/advisories/GHSA-2m9v-p7r9-gfcw"
        },
        {
          "name": "https://github.com/opnsense/core/commit/3af496143a19153c18b2f9458b2510d58aff2b98",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/opnsense/core/commit/3af496143a19153c18b2f9458b2510d58aff2b98"
        },
        {
          "name": "https://github.com/opnsense/core/commit/6101b3e2c90482111f420a47775c14a447441a72",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/opnsense/core/commit/6101b3e2c90482111f420a47775c14a447441a72"
        }
      ],
      "source": {
        "advisory": "GHSA-2m9v-p7r9-gfcw",
        "discovery": "UNKNOWN"
      },
      "title": "OPNsense: OpenVPN Client Specific Override common_name allows path traversal in generated CSO files"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-58393",
    "datePublished": "2026-10-15T15:15:45.924Z",
    "dateReserved": "2026-06-30T18:19:58.377Z",
    "dateUpdated": "2026-10-15T16:07:55.688Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-58393\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"poc\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-10-15T16:07:43.427308Z\"}}}], \"references\": [{\"url\": \"https://github.com/opnsense/core/security/advisories/GHSA-2m9v-p7r9-gfcw\", \"tags\": [\"exploit\"]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-10-15T16:07:30.895Z\"}}], \"cna\": {\"title\": \"OPNsense: OpenVPN Client Specific Override common_name allows path traversal in generated CSO files\", \"source\": {\"advisory\": \"GHSA-2m9v-p7r9-gfcw\", \"discovery\": \"UNKNOWN\"}, \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 5.9, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:L\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"HIGH\", \"availabilityImpact\": \"LOW\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"NONE\"}}], \"affected\": [{\"vendor\": \"opnsense\", \"product\": \"core\", \"versions\": [{\"status\": \"affected\", \"version\": \"\u003c 26.1.11\"}]}], \"references\": [{\"url\": \"https://github.com/opnsense/core/security/advisories/GHSA-2m9v-p7r9-gfcw\", \"name\": \"https://github.com/opnsense/core/security/advisories/GHSA-2m9v-p7r9-gfcw\", \"tags\": [\"x_refsource_CONFIRM\"]}, {\"url\": \"https://github.com/opnsense/core/commit/3af496143a19153c18b2f9458b2510d58aff2b98\", \"name\": \"https://github.com/opnsense/core/commit/3af496143a19153c18b2f9458b2510d58aff2b98\", \"tags\": [\"x_refsource_MISC\"]}, {\"url\": \"https://github.com/opnsense/core/commit/6101b3e2c90482111f420a47775c14a447441a72\", \"name\": \"https://github.com/opnsense/core/commit/6101b3e2c90482111f420a47775c14a447441a72\", \"tags\": [\"x_refsource_MISC\"]}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"OPNsense is a FreeBSD based firewall and routing platform. Prior to version 26.1.11, the OpenVPN Client Specific Override common_name field accepts path traversal sequences and openvpn_csc_conf_write() concatenates the value into /var/etc/openvpn-csc/\u003cvpnid\u003e/\u003ccommon_name\u003e without normalization or a basename check. The affected event handlers are client_connect.php and user_pass_verify.php. An authenticated user with Client Specific Override privileges can store the traversal value, and a matching OpenVPN client-connect or authentication event causes a generated CSO file to be written outside the intended directory. The file content is generated OpenVPN configuration rather than arbitrary bytes, and practical exploitation requires the attacker to cause a matching common name or username to be processed. This issue is fixed in version 26.1.11.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-22\", \"description\": \"CWE-22: Improper Limitation of a Pathname to a Restricted Directory (\u0027Path Traversal\u0027)\"}]}], \"providerMetadata\": {\"orgId\": \"a0819718-46f1-4df5-94e2-005712e83aaa\", \"shortName\": \"GitHub_M\", \"dateUpdated\": \"2026-10-15T15:15:45.924Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-58393\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-10-15T16:07:55.688Z\", \"dateReserved\": \"2026-06-30T18:19:58.377Z\", \"assignerOrgId\": \"a0819718-46f1-4df5-94e2-005712e83aaa\", \"datePublished\": \"2026-10-15T15:15:45.924Z\", \"assignerShortName\": \"GitHub_M\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}