CVE-2026-100843

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.

CVSS 4.0

8.5CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS 3.1

7.8CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS

0.3% chance of exploitation in the next 30 days; higher than 23% of CVEs (scores of 2026-10-25)

CWE

CWE-502

Published

2026-09-27

Modified

2026-09-30

Record from

the NVD, synced 2026-10-19

Affected

• project-monai:monai

Packages (OSV)

References

• https://github.com/Project-MONAI/MONAI/security/advisories/GHSA-qxq5-qhx6-94qw
• https://www.vulncheck.com/advisories/monai-before-1.6.0-remote-code-execution-via-algo-from-pickle
• https://github.com/Project-MONAI/MONAI/security/advisories/GHSA-qxq5-qhx6-94qw

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