diem-project diem dmCodeEditor actions.class.php join path traversal

{
  "id": "59ba3f2be9f3b0a79ae41625ebb1ae0da79b5dff52fb820a9735183265556b66",
  "url": "https://osv.dev/vulnerability/CVE-2026-112138",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "diem-project diem dmCodeEditor actions.class.php join path traversal",
    "summary": "A flaw has been found in diem-project diem up to 5.1.3. The impacted element is the function dmOs::join of the file dmFrontPlugin/modules/dmCodeEditor/actions/actions.class.php of the component dmCodeEditor. Executing a manipulation can lead to path traversal. The attack can be launched remotely. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet.",
    "evidence": "osv:CVE-2026-112138",
    "products": [],
    "severity": "low",
    "structured": {
      "id": "CVE-2026-112138",
      "aliases": [
        "CVE-2026-112138"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/diem-project/diem",
              "type": "GIT",
              "events": [
                {
                  "introduced": "c9364e3b70558ef26f3551fad0e867de2af0e4fe"
                },
                {
                  "last_affected": "48b4a3fa55fa39ee315439ad1c3204dfaf2dd3d4"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "5.1.0"
                      },
                      {
                        "last_affected": "5.1.0"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandaloneSingleVersion"
                  },
                  {
                    "range": [
                      {
                        "introduced": "5.1.1"
                      },
                      {
                        "last_affected": "5.1.1"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandaloneSingleVersion"
                  },
                  {
                    "range": [
                      {
                        "introduced": "5.1.2"
                      },
                      {
                        "last_affected": "5.1.2"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandaloneSingleVersion"
                  },
                  {
                    "range": [
                      {
                        "introduced": "5.1.3"
                      },
                      {
                        "last_affected": "5.1.3"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandaloneSingleVersion"
                  },
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "5.1.3"
                      }
                    ],
                    "source": "DESCRIPTION"
                  }
                ]
              }
            }
          ],
          "versions": [
            "5.1.0",
            "5.1.1",
            "5.1.2",
            "5.1.3",
            "5.1.0-RC2",
            "5.1.0-RC1",
            "5.1.0-BETA3",
            "5.1.0-BETA2",
            "5.1.0-BETA1",
            "5.1.0-ALPHA1",
            "5.1.0-DEV"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-112138.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:30.617570185Z",
      "provider": "osv",
      "references": [
        "https://github.com/diem-project/diem/",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/112xxx/CVE-2026-112138.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-112138",
        "https://vuldb.com/cve/CVE-2026-112138",
        "https://vuldb.com/submit/1013200",
        "https://vuldb.com/vuln/422243",
        "https://github.com/diem-project/diem/issues/451",
        "https://vuldb.com/vuln/422243/cti"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-22"
        ],
        "cna_assigner": "VulDB",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/112xxx/CVE-2026-112138.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-112138",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 497764,
  "published_at": "2026-10-19T11:30:20.613+00:00"
}