{"id":"CVE-2026-100843","title":"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","summary":"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 execut…","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","cwe":["CWE-502"],"vendor":"project-monai","product":"monai","affected":["monai < 1.6.0"],"patched":["monai 1.6.0"],"published":"2026-09-27","updated":"2026-09-30","sourceUpdated":"2026-09-30T16:17:02.217","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-100843","references":[{"url":"https://github.com/Project-MONAI/MONAI/security/advisories/GHSA-qxq5-qhx6-94qw","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/monai-before-1.6.0-remote-code-execution-via-algo-from-pickle","label":"disclosure@vulncheck.com"},{"url":"https://github.com/Project-MONAI/MONAI/security/advisories/GHSA-qxq5-qhx6-94qw","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"},{"url":"https://github.com/Project-MONAI/MONAI"},{"url":"https://github.com/Project-MONAI/MONAI/releases/tag/1.6.0"},{"url":"https://github.com/advisories/GHSA-89gg-p5r5-q6r4"}],"tags":["nvd","cve.org","exploit-available","osv","pip"],"epss":0.00305,"epssPercentile":0.23187,"aliases":["GHSA-qxq5-qhx6-94qw","PYSEC-2026-4018"],"ecosystem":"pip","exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"total","timestamp":"2026-09-30T15:17:12.845348Z"},"ingestedAt":"2026-09-27T02:41:45.573Z","slug":"CVE-2026-100843","body":"## Overview\n\nMONAI 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.\n\n## Affected\n\n- `monai < 1.6.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `monai 1.6.0`\n\n## Package advisory (CVE-2026-100843)\n\nAffected packages:\n\n- `monai < 1.6.0`\n\nPatched in:\n\n- `monai 1.6.0`\n\nSource: https://osv.dev/vulnerability/GHSA-qxq5-qhx6-94qw","depth":"midnight","depthScore":55,"depthScoreParts":{"impact":42.9,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[{"seq":213734,"id":"CVE-2026-100843","ts":1790784680702,"field":"exploit_available","old":"false","new":"true"}]}