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Vulnerability record · CVE-2026-100843 · published 27 September 2026

CVE-2026-100843: Deserialization of untrusted data vulnerability

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.

8.5 CVSS 4.0 High CWE-502 · Deserialization of untrusted data Received
8.5CVSS 4.0 base score
—EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
2References
27 Sep 2026Last modified by NVD

Description

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/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
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

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Source: NIST National Vulnerability Database (record CVE-2026-100843), CISA KEV, FIRST EPSS. This page is refreshed as NVD updates the record.