Upsonic Pickle add_tool cloudpickle.loads deserialization

{
  "id": "d25275f2fde3e6fcffb62b40a37cf6ad90f2374f8727937daa0ed291c8314056",
  "url": "https://osv.dev/vulnerability/CVE-2025-6279",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Upsonic Pickle add_tool cloudpickle.loads deserialization",
    "summary": "A vulnerability, which was classified as critical, has been found in Upsonic up to 0.55.6. This issue affects the function cloudpickle.loads of the file /tools/add_tool of the component Pickle Handler. The manipulation leads to deserialization. The exploit has been disclosed to the public and may be used.",
    "evidence": "osv:CVE-2025-6279",
    "products": [],
    "severity": "low",
    "structured": {
      "id": "CVE-2025-6279",
      "aliases": [
        "CVE-2025-6279",
        "GHSA-rpfv-46xj-5984",
        "PYSEC-2025-68"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:A/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/upsonic/upsonic",
              "type": "GIT",
              "events": [
                {
                  "introduced": "912bde3a7b292a324ab2c52176e17c2b0bcff63a"
                },
                {
                  "last_affected": "97f9f8fd28fc1474e020e992f65b154577847a11"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0.55.0"
                      },
                      {
                        "last_affected": "0.55.0"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandaloneSingleVersion"
                  },
                  {
                    "range": [
                      {
                        "introduced": "0.55.1"
                      },
                      {
                        "last_affected": "0.55.1"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandaloneSingleVersion"
                  },
                  {
                    "range": [
                      {
                        "introduced": "0.55.2"
                      },
                      {
                        "last_affected": "0.55.2"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandaloneSingleVersion"
                  },
                  {
                    "range": [
                      {
                        "introduced": "0.55.3"
                      },
                      {
                        "last_affected": "0.55.3"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandaloneSingleVersion"
                  },
                  {
                    "range": [
                      {
                        "introduced": "0.55.4"
                      },
                      {
                        "last_affected": "0.55.4"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandaloneSingleVersion"
                  },
                  {
                    "range": [
                      {
                        "introduced": "0.55.5"
                      },
                      {
                        "last_affected": "0.55.5"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandaloneSingleVersion"
                  },
                  {
                    "range": [
                      {
                        "introduced": "0.55.6"
                      },
                      {
                        "last_affected": "0.55.6"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandaloneSingleVersion"
                  },
                  {
                    "cpe": "cpe:2.3:a:upsonic:upsonic:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "0.55.6"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "0.55.0",
            "0.55.1",
            "0.55.2",
            "0.55.3",
            "0.55.4",
            "0.55.5",
            "0.55.6",
            "v0.55.6",
            "v0.55.5",
            "v0.55.4",
            "v0.55.3",
            "v0.55.2",
            "v0.55.1",
            "v0.55.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-6279.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:37.060202758Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/6xxx/CVE-2025-6279.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-6279",
        "https://vuldb.com/?id.313283",
        "https://vuldb.com/?submit.593099",
        "https://github.com/Upsonic/Upsonic/issues/353",
        "https://vuldb.com/?ctiid.313283"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-20",
          "CWE-502"
        ],
        "cna_assigner": "VulDB",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/6xxx/CVE-2025-6279.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-6279",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 504224,
  "published_at": "2025-06-19T21:00:14.35+00:00"
}