BentoML is a Python library for building online serving systems optimized for AI apps and model inference. Prior to 1.4.37, the docker.system_packages field in bentofile.yaml accepts arbitrary strings that are interpolated directly into Dockerfile RUN commands without sanitization. Since system_packages is semantically a list of OS package names (data), users do not expect values to be interpreted as shell commands. A malicious bentofile.yaml achieves arbitrary command execution during bentoml containerize / docker build. Version 1.4.37 fixes the issue.
{
"cwe_ids": [
"CWE-94"
],
"cna_assigner": "GitHub_M",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/33xxx/CVE-2026-33744.json"
}{
"source": [
"AFFECTED_FIELD",
"CPE_RANGE"
],
"extracted_events": [
{
"introduced": "0"
},
{
"fixed": "1.4.37"
}
],
"cpe": "cpe:2.3:a:bentoml:bentoml:*:*:*:*:*:*:*:*"
}