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CVE-2026-42252

🗓️ 01 Jun 2026 07:51:19Reported by apacheType 
cve
 cve
🔗 web.nvd.nist.gov👁 251 Views🌐 WEB

CVE-2026-42252: BashOperator Jinja2 injection via dag_run.conf; docs fixed; upgrade to Airflow 3.2.2+.

Related
Detection
Affected
Refs
Paths
NVD
Vulners
Node
apacheairflowRange3.0.0–3.2.2
[
  {
    "vendor": "Apache Software Foundation",
    "product": "Apache Airflow",
    "collectionURL": "https://pypi.python.org",
    "packageName": "apache-airflow-core",
    "versions": [
      {
        "status": "affected",
        "version": "3.0.0",
        "lessThan": "3.2.2",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected",
    "packageURL": "pkg:pypi/apache-airflow-core"
  }
]
ParameterPositionPathDescriptionCWE
confrequest body/api/v1/dags/{dag_id}/dagRunsThe `conf` field in the DagRun trigger API can be used to inject shell metacharacters if the DAG's `BashOperator` uses the `dag_run.conf` value without proper quoting or sanitization, as previously encouraged by official documentation.CWE-1336

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03 Nov 2026 07:20Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.19.1
EPSS0.00383
SSVC
251