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CVE-2026-44345

BentoML is a Python library for building online serving systems optimized for AI apps and model inference. Prior to 1.4.39, src/bentoml/_internal/container/frontend/dockerfile/templates/base_v2.j2 interpolates docker.base_image raw with no escaping, newline filtering, or validation. A malicious bento.yaml with a multi-line docker.base_image value smuggles arbitrary Dockerfile directives into the generated Dockerfile, and bentoml containerize then runs docker build which executes the injected RUN
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:d2110228277f683835ddc5d111f402a285a9560b1acc85ad5bfaa2ad0385e630
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"BentoML","vendor":"bentoml","versions":[{"status":"affected","version":"< 1.4.39"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:2934e9061031625fec581cfd3683c89025e0ab37df4ca61f8bd6b4b3d2cd49b4 · sha256:4abf0eb90f55cdd0… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:2934e9061031625fec581cfd3683c89025e0ab37df4ca61f8bd6b4b3d2cd49b4 · sha256:4abf0eb90f55cdd0… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-78","description":"CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:2934e9061031625fec581cfd3683c89025e0ab37df4ca61f8bd6b4b3d2cd49b4 · sha256:4abf0eb90f55cdd0… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"name":"https://github.com/bentoml/BentoML/security/advisories/GHSA-78f9-r8mh-4xm2","tags":["x_refsource_CONFIRM"],"url":"https://github.com/bentoml/BentoML/security/advisories/GHSA-78f9-r8mh-4xm2"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2934e9061031625fec581cfd3683c89025e0ab37df4ca61f8bd6b4b3d2cd49b4 · sha256:4abf0eb90f55cdd0… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://github.com/bentoml/BentoML/security/advisories/GHSA-78f9-r8mh-4xm2"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2934e9061031625fec581cfd3683c89025e0ab37df4ca61f8bd6b4b3d2cd49b4 · sha256:4abf0eb90f55cdd0… · /containers/adp/0/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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