CVE-2026-100844 MONAI - Command Injection

MONAI before 1.6.0 contains a command injection caused by unquoted user-controlled values from YAML config and CLI arguments in nnUNetV2Runner, letting attackers execute arbitrary OS commands, exploit requires loading crafted config file.

CVSS base score 8.4 /10
High
CISA KEV
Not listed
Public exploit
Proof of concept available
Authentication
Not required
EPSS
0.77% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Command Injection
Impact
Remote Code Execution
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
27 September 2026
Updated
15 October 2026
Weakness
CWE-78

Vendor fix

Update to version 1.6.0 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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