Pimzino spec-workflow-mcp approvals.ts ApprovalStorage.createApproval path traversal

{
  "id": "89b0ef4fcd77e9f62f94258e4aa5bbc13f01c30feac36ac0e47caa020acf4bdc",
  "url": "https://osv.dev/vulnerability/CVE-2026-19336",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Pimzino spec-workflow-mcp approvals.ts ApprovalStorage.createApproval path traversal",
    "summary": "A vulnerability was found in Pimzino spec-workflow-mcp up to 2.2.6. This issue affects the function ApprovalStorage.createApproval of the file src/tools/approvals.ts. Performing a manipulation of the argument categoryName results in path traversal. The attack is only possible with local access. Upgrading to version 2.2.7 is capable of addressing this issue. The patch is named 9c7a7839e690bb4543f0e7481b5740d23808e5fe. It is advisable to upgrade the affected component.",
    "evidence": "osv:CVE-2026-19336",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2026-19336",
      "aliases": [
        "CVE-2026-19336"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/pimzino/spec-workflow-mcp",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "9c7a7839e690bb4543f0e7481b5740d23808e5fe"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "fixed": "9c7a7839e690bb4543f0e7481b5740d23808e5fe"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v0.0.28",
            "v0.0.25"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-19336.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:29.221191063Z",
      "provider": "osv",
      "references": [
        "https://github.com/Pimzino/spec-workflow-mcp/",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/19xxx/CVE-2026-19336.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-19336",
        "https://vuldb.com/cve/CVE-2026-19336",
        "https://vuldb.com/submit/865260",
        "https://vuldb.com/vuln/387172",
        "https://github.com/Pimzino/spec-workflow-mcp/issues/220",
        "https://vuldb.com/vuln/387172/cti",
        "https://github.com/Pimzino/spec-workflow-mcp/commit/9c7a7839e690bb4543f0e7481b5740d23808e5fe",
        "https://github.com/Pimzino/spec-workflow-mcp/pull/222"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-22"
        ],
        "cna_assigner": "VulDB",
        "unresolved_ranges": [
          {
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "2.2.0"
                  },
                  {
                    "last_affected": "2.2.0"
                  },
                  {
                    "introduced": "2.2.1"
                  },
                  {
                    "last_affected": "2.2.1"
                  },
                  {
                    "introduced": "2.2.2"
                  },
                  {
                    "last_affected": "2.2.2"
                  },
                  {
                    "introduced": "2.2.3"
                  },
                  {
                    "last_affected": "2.2.3"
                  },
                  {
                    "introduced": "2.2.4"
                  },
                  {
                    "last_affected": "2.2.4"
                  },
                  {
                    "introduced": "2.2.5"
                  },
                  {
                    "last_affected": "2.2.5"
                  },
                  {
                    "introduced": "2.2.6"
                  },
                  {
                    "last_affected": "2.2.6"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandaloneSingleVersion"
              }
            ]
          },
          {
            "extracted_events": [
              {
                "range": [
                  {
                    "last_affected": "2.2.6"
                  }
                ],
                "source": "DESCRIPTION"
              }
            ]
          }
        ],
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/19xxx/CVE-2026-19336.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-19336",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 496291,
  "published_at": "2026-08-09T05:30:11.611+00:00"
}