CVE-2026-111422: Apache Airflow SSH provider: SSHRemoteJobOperator: `environment` values are executed as shell on the remote host

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Posted by Hussein Awala on Oct 26 Severity: low Affected versions: - Apache Airflow SSH provider 4.3.0 before 7.0.1 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...