MONAI before 1.6.0 Remote Code Execution via algo_from_pickle

{
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "cveMetadata": {
    "cveId": "CVE-2026-100843",
    "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
    "assignerShortName": "VulnCheck",
    "dateUpdated": "2026-09-27T01:28:38.803Z",
    "dateReserved": "2026-09-27T00:18:40.971Z",
    "datePublished": "2026-09-27T01:28:38.803Z",
    "state": "PUBLISHED"
  },
  "containers": {
    "cna": {
      "providerMetadata": {
        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "shortName": "VulnCheck",
        "dateUpdated": "2026-09-27T01:28:38.803Z"
      },
      "datePublic": "2026-06-11T00:00:00.000Z",
      "title": "MONAI before 1.6.0 Remote Code Execution via algo_from_pickle",
      "descriptions": [
        {
          "lang": "en",
          "value": "MONAI versions before 1.6.0 contain a remote code execution vulnerability in the algo_from_pickle() function due to unsafe pickle.loads() deserialization in monai/auto3dseg/utils.py. Attackers can craft malicious pickle files that execute arbitrary system commands when deserialized by the vulnerable function."
        }
      ],
      "affected": [
        {
          "vendor": "Project-MONAI",
          "product": "MONAI",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "0",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "1.6.0"
            },
            {
              "version": "1.6.0",
              "status": "unaffected",
              "versionType": "semver"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "lang": "en",
              "description": "Deserialization of Untrusted Data",
              "cweId": "CWE-502",
              "type": "CWE"
            }
          ]
        }
      ],
      "references": [
        {
          "url": "https://github.com/Project-MONAI/MONAI/security/advisories/GHSA-qxq5-qhx6-94qw",
          "name": "GitHub Security Advisory (GHSA-qxq5-qhx6-94qw)",
          "tags": [
            "vendor-advisory"
          ]
        },
        {
          "url": "https://www.vulncheck.com/advisories/monai-before-1.6.0-remote-code-execution-via-algo-from-pickle",
          "name": "VulnCheck Advisory: MONAI before 1.6.0 Remote Code Execution via algo_from_pickle",
          "tags": [
            "third-party-advisory"
          ]
        }
      ],
      "metrics": [
        {
          "format": "CVSS"
        },
        {
          "format": "CVSS",
          "cvssV3_1": {
            "version": "3.1",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
            "attackVector": "LOCAL",
            "attackComplexity": "LOW",
            "privilegesRequired": "NONE",
            "userInteraction": "REQUIRED",
            "scope": "UNCHANGED",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "availabilityImpact": "HIGH",
            "baseScore": 7.8,
            "baseSeverity": "HIGH"
          }
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "aslein1413-sys",
          "type": "reporter"
        }
      ]
    }
  }
}