Woahai321 ListSync JSON api_server.py requests.post server-side request forgery

{
  "id": "365e15a6bba5658a9b6f3aa44e0537b72dc8c59c2218cda1e2b9e828415638b6",
  "url": "https://osv.dev/vulnerability/CVE-2026-3958",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Woahai321 ListSync JSON api_server.py requests.post server-side request forgery",
    "summary": "A vulnerability has been found in Woahai321 ListSync up to 0.6.6. This issue affects the function requests.post of the file list-sync-main/api_server.py of the component JSON Handler. The manipulation leads to server-side request forgery. The attack is possible to be carried out remotely. The exploit has been disclosed to the public and may be used. The project was informed of the problem early through an issue report but has not responded yet.",
    "evidence": "osv:CVE-2026-3958",
    "products": [],
    "severity": "low",
    "structured": {
      "id": "CVE-2026-3958",
      "aliases": [
        "CVE-2026-3958"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/woahai321/list-sync",
              "type": "GIT",
              "events": [
                {
                  "introduced": "2d3231701be6832b50fa2bedd148d106ea01a5cb"
                },
                {
                  "last_affected": "3a19848c4bec27fe48b6bfebbd75008203558eae"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0.6.1"
                      },
                      {
                        "last_affected": "0.6.1"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandaloneSingleVersion"
                  },
                  {
                    "range": [
                      {
                        "introduced": "0.6.2"
                      },
                      {
                        "last_affected": "0.6.2"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandaloneSingleVersion"
                  },
                  {
                    "range": [
                      {
                        "introduced": "0.6.3"
                      },
                      {
                        "last_affected": "0.6.3"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandaloneSingleVersion"
                  },
                  {
                    "range": [
                      {
                        "introduced": "0.6.4"
                      },
                      {
                        "last_affected": "0.6.4"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandaloneSingleVersion"
                  },
                  {
                    "range": [
                      {
                        "introduced": "0.6.5"
                      },
                      {
                        "last_affected": "0.6.5"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandaloneSingleVersion"
                  },
                  {
                    "range": [
                      {
                        "introduced": "0.6.6"
                      },
                      {
                        "last_affected": "0.6.6"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandaloneSingleVersion"
                  },
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "0.6.6"
                      }
                    ],
                    "source": "DESCRIPTION"
                  }
                ]
              }
            }
          ],
          "versions": [
            "0.6.1",
            "0.6.2",
            "0.6.3",
            "0.6.4",
            "0.6.5",
            "0.6.6",
            "v0.6.6",
            "v0.6.5",
            "v0.6.4",
            "v0.6.3",
            "v0.6.2",
            "v0.6.1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-3958.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:30.112400796Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/3xxx/CVE-2026-3958.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-3958",
        "https://vuldb.com/?id.350388",
        "https://vuldb.com/?submit.768070",
        "https://github.com/Woahai321/list-sync/issues/79",
        "https://github.com/Woahai321/list-sync/issues/79#issue-3993946476",
        "https://vuldb.com/?ctiid.350388"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-918"
        ],
        "cna_assigner": "VulDB",
        "unresolved_ranges": [
          {
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "0.6.0"
                  },
                  {
                    "last_affected": "0.6.0"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandaloneSingleVersion"
              }
            ]
          }
        ],
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/3xxx/CVE-2026-3958.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-3958",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 497163,
  "published_at": "2026-03-11T21:32:08.751+00:00"
}