Vulnerability Details CVE-2026-100840
MONAI through 1.6.0 contains a remote code execution vulnerability in the bundle configuration engine that resolves _target_ values to arbitrary importable callables without an allow list and passes $ expressions to Python eval(). Attackers can publish a malicious bundle with crafted configuration containing arbitrary code that executes when a victim loads the bundle using monai.bundle.load() or monai.bundle.run().
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 9.7%
CVSS Severity
CVSS v3 Score 7.8
References
Products affected by CVE-2026-100840
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cpe:2.3:a:project-monai:monai:0.1.0
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cpe:2.3:a:project-monai:monai:0.2.0
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cpe:2.3:a:project-monai:monai:0.3.0
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cpe:2.3:a:project-monai:monai:0.4.0
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cpe:2.3:a:project-monai:monai:0.5.0
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cpe:2.3:a:project-monai:monai:0.5.1
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cpe:2.3:a:project-monai:monai:0.5.2
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cpe:2.3:a:project-monai:monai:0.5.3
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cpe:2.3:a:project-monai:monai:0.6.0
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cpe:2.3:a:project-monai:monai:0.7.0
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cpe:2.3:a:project-monai:monai:0.8.0
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cpe:2.3:a:project-monai:monai:0.8.1
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cpe:2.3:a:project-monai:monai:0.9.0
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cpe:2.3:a:project-monai:monai:0.9.1
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cpe:2.3:a:project-monai:monai:1.0.0
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cpe:2.3:a:project-monai:monai:1.0.1
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cpe:2.3:a:project-monai:monai:1.1.0
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cpe:2.3:a:project-monai:monai:1.2.0
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cpe:2.3:a:project-monai:monai:1.3.0
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cpe:2.3:a:project-monai:monai:1.3.1
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cpe:2.3:a:project-monai:monai:1.3.2
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cpe:2.3:a:project-monai:monai:1.3.3
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cpe:2.3:a:project-monai:monai:1.4.0
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cpe:2.3:a:project-monai:monai:1.4.1
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cpe:2.3:a:project-monai:monai:1.5.0
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cpe:2.3:a:project-monai:monai:1.5.1
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cpe:2.3:a:project-monai:monai:1.5.2