CVE-2026-100844 - MONAI before 1.6.0 OS Command Injection via dataset_name_or_id

CVE-2026-100844 - MONAI before 1.6.0 OS Command Injection via dataset_name_or_id

https://cvefeed.io/rssfeed/latest.atom / Sun, 09/27/2026 - 07:49
CVE ID :CVE-2026-100844
Published : Sept. 27, 2026, 2:17 a.m. | 2 hours, 54 minutes ago
Description :MONAI before 1.6.0 is vulnerable to OS command injection in the nnUNetV2Runner component (monai.apps.nnunet.nnunetv2_runner). User-controlled values taken from the YAML configuration file (notably dataset_name_or_id) and from CLI/kwargs arguments are concatenated into a command string without quoting or validation and then passed to subprocess with shell=True, so shell metacharacters (e.g., ';' on Linux, '&' on Windows) are interpreted. If a victim loads and processes a crafted configuration file — for example by instantiating nnUNetV2Runner with the malicious YAML and invoking a training/validation job such as train_single_model() — arbitrary commands are executed with the privileges of the user running the job.
Severity: 8.6 | HIGH
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