DeepPavlov Model Download untar path traversal

{
  "id": "2dd97411511a9586dfb461801e956053a0f60422b3d8fd6a43c7199d0d30f2a7",
  "url": "https://osv.dev/vulnerability/CVE-2026-109155",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "DeepPavlov Model Download untar path traversal",
    "summary": "A flaw has been found in DeepPavlov up to 1.7.0. This impacts the function untar of the component Model Download Handler. This manipulation causes path traversal. The attack is possible to be carried out remotely. The project was informed of the problem early through an issue report but has not responded yet.",
    "evidence": "osv:CVE-2026-109155",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2026-109155",
      "aliases": [
        "CVE-2026-109155"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/deeppavlov/deeppavlov",
              "type": "GIT",
              "events": [
                {
                  "introduced": "1a594494bfc597fcbee2bb40d27a6b78d9cb9826"
                },
                {
                  "last_affected": "aff27489a3c87644eeb8f6009e4a824e83c66c05"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "1.0"
                      },
                      {
                        "last_affected": "1.0"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandaloneSingleVersion"
                  },
                  {
                    "range": [
                      {
                        "introduced": "1.1"
                      },
                      {
                        "last_affected": "1.1"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandaloneSingleVersion"
                  },
                  {
                    "range": [
                      {
                        "introduced": "1.2"
                      },
                      {
                        "last_affected": "1.2"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandaloneSingleVersion"
                  },
                  {
                    "range": [
                      {
                        "introduced": "1.3"
                      },
                      {
                        "last_affected": "1.3"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandaloneSingleVersion"
                  },
                  {
                    "range": [
                      {
                        "introduced": "1.4"
                      },
                      {
                        "last_affected": "1.4"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandaloneSingleVersion"
                  },
                  {
                    "range": [
                      {
                        "introduced": "1.5"
                      },
                      {
                        "last_affected": "1.5"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandaloneSingleVersion"
                  },
                  {
                    "range": [
                      {
                        "introduced": "1.6"
                      },
                      {
                        "last_affected": "1.6"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandaloneSingleVersion"
                  },
                  {
                    "range": [
                      {
                        "introduced": "1.7.0"
                      },
                      {
                        "last_affected": "1.7.0"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandaloneSingleVersion"
                  },
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "1.7.0"
                      }
                    ],
                    "source": "DESCRIPTION"
                  }
                ]
              }
            }
          ],
          "versions": [
            "1.0",
            "1.1",
            "1.2",
            "1.3",
            "1.4",
            "1.5",
            "1.6",
            "1.7.0",
            "1.6.0",
            "1.5.0",
            "1.4.0",
            "1.3.0",
            "1.2.0",
            "1.1.1",
            "1.1.0",
            "1.0.2",
            "1.0.1",
            "1.0.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-109155.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:50.532554549Z",
      "provider": "osv",
      "references": [
        "https://github.com/deeppavlov/DeepPavlov/",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/109xxx/CVE-2026-109155.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-109155",
        "https://vuldb.com/cve/CVE-2026-109155",
        "https://vuldb.com/submit/978673",
        "https://vuldb.com/vuln/416888",
        "https://github.com/deeppavlov/DeepPavlov/issues/1711",
        "https://vuldb.com/vuln/416888/cti"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-22"
        ],
        "cna_assigner": "VulDB",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/109xxx/CVE-2026-109155.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-109155",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 518879,
  "published_at": "2026-10-13T10:15:16.894+00:00"
}