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BentoML through 1.4.39 Dockerfile Instruction Injection via docker.env Keys

Type: advisorySource: Official CVE List1 source record

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.

Announced Source revision 1
Original source ↗

CVE-2026-112264

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2026-112264

BentoML

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "repo": "https://github.com/bentoml/BentoML",
    "vendor": "bentoml",
    "product": "BentoML",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "versionType": "custom",
        "lessThanOrEqual": "1.4.39"
      }
    ],
    "packageURL": "pkg:pypi/bentoml",
    "collectionURL": "https://pypi.org",
    "defaultStatus": "unaffected"
  }
]
Related CVEs
CVE-2026-112264

Source reference: /cveMetadata/cveId

Publisher severity

high

Source reference: /containers/cna/metrics

Event
#39708 · Revision 1
Added to Heist Feed
Publisher date
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