{"id":"CVE-2026-111422","state":"PUBLISHED","title":"Apache Airflow SSH provider: SSHRemoteJobOperator: `environment` values are executed as shell on the remote host","description":"In apache-airflow-providers-ssh before 7.0.1, SSHRemoteJobOperator quoted the values of its templated `environment` parameter only once, although they are placed inside an already-quoted wrapper script, so shell syntax such as `$(...)` in a value was executed on the remote SSH host. In a Dag that passes trigger-time input such as `params` or `dag_run.conf` into `environment`, a user who can trigger that Dag but cannot author Dags could run arbitrary commands on the remote host as the SSH connection's user. Users are advised to upgrade apache-airflow-providers-ssh to 7.0.1 or later.","publishedAt":"2026-10-26T23:29:30.363Z","updatedAt":"2026-10-29T10:38:09.290Z","severity":{"score":8.8,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","source":"CISA-ADP"},"assigner":"apache","products":["Apache Software Foundation Apache Airflow SSH provider"],"affected":[{"vendor":"Apache Software Foundation","product":"Apache Airflow SSH provider","packageName":"apache-airflow-providers-ssh","packageURL":"pkg:pypi/apache-airflow-providers-ssh","defaultStatus":"unaffected","versions":[{"version":"4.3.0","status":"affected","lessThan":"7.0.1","versionType":"semver"}],"collectionURL":"https://pypi.python.org"}],"references":["https://github.com/apache/airflow/pull/74810","https://lists.apache.org/thread/k159xrq1tbgmkvl24j63g12qh0mczk79","https://airflow.apache.org/docs/apache-airflow-providers-ssh/7.0.1/changelog.html","http://www.openwall.com/lists/oss-security/2026/10/26/20"],"weaknesses":["CWE-78"],"ingestedAt":"2026-10-29T20:10:33.477Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/111xxx/CVE-2026-111422.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-111422","state":"PUBLISHED","datePublished":"2026-10-26T23:29:30.363Z","dateUpdated":"2026-10-29T10:38:09.290Z","assignerShortName":"apache","assignerOrgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","dateReserved":"2026-10-16T02:30:23.102Z"},"containers":{"cna":{"title":"Apache Airflow SSH provider: SSHRemoteJobOperator: `environment` values are executed as shell on the remote host","descriptions":[{"lang":"en","value":"In apache-airflow-providers-ssh before 7.0.1, SSHRemoteJobOperator quoted the values of its templated `environment` parameter only once, although they are placed inside an already-quoted wrapper script, so shell syntax such as `$(...)` in a value was executed on the remote SSH host. In a Dag that passes trigger-time input such as `params` or `dag_run.conf` into `environment`, a user who can trigger that Dag but cannot author Dags could run arbitrary commands on the remote host as the SSH connection's user. 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