MAA-AI MaaMCP pipeline_tools.py load_pipeline path traversal

{
  "id": "217db6ed31376866bb54fac09610264ed20fb729b1bbfc57e937dd7266594e95",
  "url": "https://osv.dev/vulnerability/CVE-2026-81847",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "MAA-AI MaaMCP pipeline_tools.py load_pipeline path traversal",
    "summary": "A vulnerability was found in MAA-AI MaaMCP up to 1.1.1.dev6+g2e4a41287. The affected element is the function save_pipeline/load_pipeline of the file pipeline_tools.py. Performing a manipulation results in path traversal. The attack can be initiated remotely. The exploit has been made public and could be used. The patch is named c93ef45cba75295eba26d9ff1ffb9202a91c6150. To fix this issue, it is recommended to deploy a patch.",
    "evidence": "osv:CVE-2026-81847",
    "products": [],
    "severity": "low",
    "structured": {
      "id": "CVE-2026-81847",
      "aliases": [
        "CVE-2026-81847"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/zeeeepa/maamcp",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "c93ef45cba75295eba26d9ff1ffb9202a91c6150"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "fixed": "c93ef45cba75295eba26d9ff1ffb9202a91c6150"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v1.1.0-beta.2",
            "v1.1.0-beta.1",
            "v1.0.3",
            "v1.0.2",
            "v1.0.1",
            "v1.0.0",
            "v0.0.1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-81847.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:32.720828602Z",
      "provider": "osv",
      "references": [
        "https://github.com/MAA-AI/MaaMCP/",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/81xxx/CVE-2026-81847.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-81847",
        "https://vuldb.com/cve/CVE-2026-81847",
        "https://vuldb.com/submit/887255",
        "https://vuldb.com/vuln/396172",
        "https://github.com/MAA-AI/MaaMCP/issues/31",
        "https://github.com/MAA-AI/MaaMCP/issues/32",
        "https://vuldb.com/vuln/396172/cti",
        "https://github.com/Zeeeepa/MaaMCP/commit/c93ef45cba75295eba26d9ff1ffb9202a91c6150"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-22"
        ],
        "cna_assigner": "VulDB",
        "unresolved_ranges": [
          {
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "1.1.1.dev6+g2e4a41287"
                  },
                  {
                    "last_affected": "1.1.1.dev6+g2e4a41287"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandaloneSingleVersion"
              }
            ]
          },
          {
            "extracted_events": [
              {
                "range": [
                  {
                    "last_affected": "1.1.1.dev6+g2e4a41287"
                  }
                ],
                "source": "DESCRIPTION"
              }
            ]
          }
        ],
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/81xxx/CVE-2026-81847.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-81847",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 500043,
  "published_at": "2026-08-27T22:15:13.01+00:00"
}