What’s Vulnerable › Vulnerabilities

CVE-2026-112264: BentoML through 1.4.39 Dockerfile Instruction Injection via docker.env Keys

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-19 · updated 2026-10-19
• Weakness: CWE-78

Description

BentoML through 1.4.39 contains a Dockerfile instruction injection vulnerability that allows attackers to add arbitrary build instructions by embedding newlines in docker.env mapping keys rendered by the legacy base.j2 template. Attackers can supply a crafted bentofile.yaml or imported bento archive so that bentoml containerize executes injected RUN instructions during docker build, accessing build secrets and poisoning images.

Affected products

• BentoML: through 1.4.39

References

• https://github.com/bentoml/BentoML/blob/v1.4.39/src/bentoml/_internal/bento/build_config.py
• https://github.com/bentoml/BentoML/blob/v1.4.39/src/bentoml/_internal/container/__init__.py
• https://github.com/bentoml/BentoML/blob/v1.4.39/src/bentoml/_internal/container/frontend/dockerfile/templates/base.j2
• https://github.com/bentoml/BentoML/blob/v1.4.39/src/bentoml/_internal/container/generate.py
• https://github.com/geo-chen/oss/blob/main/BentoML.md
• https://www.vulncheck.com/advisories/bentoml-through-1.4.39-dockerfile-instruction-injection-via-docker-env-keys
• https://github.com/geo-chen/oss/blob/main/BentoML.md

Get alerted when CVE-2026-112264 or the next vulnerability affects your stack