CVE-2026-100845 HIGH

CVE-2026-100845: MONAI before 1.6.0 Remote Code Execution via NumpyReader

Vendor Project-Monai
Product MONAI
Weakness CWE-502 · Unsafe deserialization
Published September 27, 2026
Last update September 27, 2026

CVSS base score

8.5/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction —
Confidentiality —
Integrity —

CVSS 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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

September 27, 2026 CVE published

Related vulnerabilities

04Related CVE