{"cve":"CVE-2026-100845","nvd":{"published":"2026-09-27T02:17:23.140","modified":"2026-09-30T15:25:51.697","status":"Analyzed","description":"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.","cvss_v4":{"vector":"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","score":8.5},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","score":7.8},"cwes":["CWE-502"],"references":["https://github.com/Project-MONAI/MONAI/security/advisories/GHSA-wg9g-w2j2-8pgr","https://www.vulncheck.com/advisories/monai-before-1.6.0-remote-code-execution-via-numpyreader","https://github.com/Project-MONAI/MONAI/security/advisories/GHSA-wg9g-w2j2-8pgr"],"products":["project-monai:monai"],"source":"nvd","synced_at":"2026-10-19T22:56:48.555445741+00:00"},"epss":{"cve":"CVE-2026-100845","score":0.00203,"percentile":0.10135,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-wg9g-w2j2-8pgr","url":"https://osv.dev/vulnerability/GHSA-wg9g-w2j2-8pgr","summary":"MONAI: Unsafe deserialization in NumpyReader allows arbitrary code execution via malicious .npy files","modified":"2026-10-01T09:25:45.077960803Z","packages":[{"ecosystem":"PyPI","name":"monai","purl":"pkg:pypi/monai","ranges":["<1.6.0"],"fixed":["1.6.0"]}]},{"id":"PYSEC-2026-4020","url":"https://osv.dev/vulnerability/PYSEC-2026-4020","summary":"","modified":"2026-10-01T09:15:05.302517614Z","packages":[{"ecosystem":"PyPI","name":"monai","purl":"pkg:pypi/monai","ranges":["<1.6.0"],"fixed":["1.6.0"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}