CVE-2026-100840

HIGH CVSS 4.0: 8.5 EPSS 0.21%
Updated Sep 30, 2026
Python
Parameter Value
CVSS 8.5 (HIGH)
Affected Versions before 1.6.0
Type CWE-95
Vendor Python
Public PoC No

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().

Attack Parameters

Attack Vector
Local
Requires local access
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
Passive
Minimal interaction

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v4.0

Weakness Type (CWE)

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Project-Monai Monai
cpe:2.3:a:project-monai:monai:*:*:*:*:*:*:*:*
— <= 1.6.0