{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "1.6.0"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "DESCRIPTION"
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "eccefc57550b111ed781d82249dfe77872a0e918"
            }
          ],
          "repo": "https://github.com/project-monai/monai",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-wg9g-w2j2-8pgr"
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-502"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/100xxx/CVE-2026-100845.json"
  },
  "details": "MONAI before 1.6.0 contains an unsafe deserialization vulnerability in the NumpyReader class that unconditionally uses numpy.load with allow_pickle=True when loading .npy and .npz files. Attackers can craft malicious .npy files with pickle payloads that execute arbitrary code when loaded through MONAI's standard data pipeline.",
  "id": "CVE-2026-100845",
  "modified": "2026-09-30T03:30:51.994025265Z",
  "published": "2026-09-27T01:28:40.337Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/100xxx/CVE-2026-100845.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/Project-MONAI/MONAI/security/advisories/GHSA-wg9g-w2j2-8pgr"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-100845"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/monai-before-1.6.0-remote-code-execution-via-numpyreader"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "MONAI before 1.6.0 Remote Code Execution via NumpyReader"
}