{"api_version":"1","generated_at":"2026-09-27T08:39:57+00:00","cve":"CVE-2026-100844","urls":{"html":"https://cve.report/CVE-2026-100844","api":"https://cve.report/api/cve/CVE-2026-100844.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-100844","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-100844"},"summary":{"title":"MONAI before 1.6.0 OS Command Injection via dataset_name_or_id","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. 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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. 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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.","Type":"Description","Title":"MONAI before 1.6.0 OS Command Injection via dataset_name_or_id"}]}}}