CVE-2026-42359 Apache Airflow: Authenticated RCE via XCom PATCH endpoint — XComUpdateBody missing FORBIDDEN_XCOM_KEYS validator

A bug in Apache Airflow's XCom PATCH endpoint PATCH /api/v2/xcomEntries/key allowed an authenticated UI/API user with XCom write permission on a Dag to set XCom entries under reserved key names e.g. returnvalue that the matching POST endpoint already validated against FORBIDDENXCOMKEYS. The...

CVE-2026-42359 Apache Airflow: Authenticated RCE via XCom PATCH endpoint — XComUpdateBody missing FORBIDDEN_XCOM_KEYS validator

A bug in Apache Airflow's XCom PATCH endpoint PATCH /api/v2/xcomEntries/key allowed an authenticated UI/API user with XCom write permission on a Dag to set XCom entries under reserved key names e.g. returnvalue that the matching POST endpoint already validated against FORBIDDENXCOMKEYS. The...

CVE-2026-45360 Apache Airflow: Arbitrary import in custom deadline-reference deserialization

Apache Airflow's scheduler-side deadline-reference decoder SerializedCustomReference.deserializereference imported and dispatched arbitrary class paths drawn from DAG-author-controlled serialized state without an allowlist or plugin-registry gate. A DAG author whose code reaches the scheduler — t...

CVE-2026-45360

Summary (CVE-2026-45360) : Apache Airflow’s scheduler-side deadline-reference deserialization in SerializedCustomReference.deserialize_reference can import arbitrary attacker-controlled module paths because there is no allowlist or plugin-registry gate. A DAG author’s code that reaches the schedu...

CVE-2026-45360

Apache Airflow's scheduler-side deadline-reference decoder SerializedCustomReference.deserializereference imported and dispatched arbitrary class paths drawn from DAG-author-controlled serialized state without an allowlist or plugin-registry gate. A DAG author whose code reaches the scheduler — t...

CVE-2026-45360 Apache Airflow: Arbitrary import in custom deadline-reference deserialization

Apache Airflow's scheduler-side deadline-reference decoder SerializedCustomReference.deserializereference imported and dispatched arbitrary class paths drawn from DAG-author-controlled serialized state without an allowlist or plugin-registry gate. A DAG author whose code reaches the scheduler — t...

CVE-2026-45426

CVE-2026-45426 describes an authenticated Airflow worker with a valid Log-server JWT for at least one Dag who can abuse Python str.lstrip() in the JWT sub verification to access logs of other Dags. The left-stripping behavior treats a set of characters as deletable, not a prefix, enabling cross-D...

CVE-2026-46764 Apache Airflow: Event Log detail endpoint bypasses DAG-scoped event log permission filter

The Event Log detail endpoint GET /api/v2/eventLogs/eventlogid in Apache Airflow fetched audit-log rows directly by numeric ID after only the generic Audit Log permission check, while the collection endpoint GET /api/v2/eventLogs applied per-Dag scoping. An authenticated UI/API user with audit-lo...

CVE-2026-46764

The Event Log detail endpoint GET /api/v2/eventLogs/eventlogid in Apache Airflow fetched audit-log rows directly by numeric ID after only the generic Audit Log permission check, while the collection endpoint GET /api/v2/eventLogs applied per-Dag scoping. An authenticated UI/API user with audit-lo...

CVE-2026-46764 Apache Airflow: Event Log detail endpoint bypasses DAG-scoped event log permission filter

The Event Log detail endpoint GET /api/v2/eventLogs/eventlogid in Apache Airflow fetched audit-log rows directly by numeric ID after only the generic Audit Log permission check, while the collection endpoint GET /api/v2/eventLogs applied per-Dag scoping. An authenticated UI/API user with audit-lo...

CVE-2026-48726

A bug in Apache Airflow's auth manager logout handling left previously-issued JWT tokens valid after the user clicked logout in the UI: the logout flow for FabAuthManager and KeycloakAuthManager did not actually reach the underlying revoketoken call, so the JWT remained accepted by the API server...

CVE-2026-48726 Apache Airflow: revoke_token() unreachable in FabAuthManager / KeycloakAuthManager logout path

A bug in Apache Airflow's auth manager logout handling left previously-issued JWT tokens valid after the user clicked logout in the UI: the logout flow for FabAuthManager and KeycloakAuthManager did not actually reach the underlying revoketoken call, so the JWT remained accepted by the API server...

CVE-2026-48726 Apache Airflow: revoke_token() unreachable in FabAuthManager / KeycloakAuthManager logout path

A bug in Apache Airflow's auth manager logout handling left previously-issued JWT tokens valid after the user clicked logout in the UI: the logout flow for FabAuthManager and KeycloakAuthManager did not actually reach the underlying revoketoken call, so the JWT remained accepted by the API server...

CVE-2026-48726 Apache Airflow: revoke_token() unreachable in FabAuthManager / KeycloakAuthManager logout path

A bug in Apache Airflow's auth manager logout handling left previously-issued JWT tokens valid after the user clicked logout in the UI: the logout flow for FabAuthManager and KeycloakAuthManager did not actually reach the underlying revoketoken call, so the JWT remained accepted by the API server...

EUVD-2026-33581

A bug in Apache Airflow's auth manager logout handling left previously-issued JWT tokens valid after the user clicked logout in the UI: the logout flow for FabAuthManager and KeycloakAuthManager did not actually reach the underlying revoketoken call, so the JWT remained accepted by the API server...

CVE-2026-45192 Apache Airflow: Incomplete Redaction of Sensitive Fields in Connection Extra API Response

A bug in the GET /api/v2/connections/connectionid REST API endpoint in Apache Airflow allowed an authenticated UI/API user with Connection-read permission to retrieve secrets stored in a Connection's extra JSON blob under field names not present in the redaction allowlist DEFAULTSENSITIVEFIELDS —...

CVE-2026-45192 Apache Airflow: Incomplete Redaction of Sensitive Fields in Connection Extra API Response

A bug in the GET /api/v2/connections/connectionid REST API endpoint in Apache Airflow allowed an authenticated UI/API user with Connection-read permission to retrieve secrets stored in a Connection's extra JSON blob under field names not present in the redaction allowlist DEFAULTSENSITIVEFIELDS —...

CVE-2026-45192

CVE-2026-45192 concerns Apache Airflow where a bug in GET /api/v2/connections/{connection_id} allowed an authenticated UI/API user with Connection-read permission to access secrets stored in a Connection's extra JSON blob that are not included in the redaction allowlist (DEFAULT_SENSITIVE_FIELDS)...

PT-2026-45368

Apache Airflow's official documentation at core-concepts/dag-run.html "Passing Parameters when triggering Dags" showed a verbatim BashOperatorbash command="echo value: dag run.conf'conf1' " example without any quoting / sanitization warning. Dag authors who copied the pattern verbatim into...

PT-2026-45382

Name of the Vulnerable Software and Affected Versions Apache Airflow versions prior to 3.2.2 Description The EmailOperator and airflow.utils.email helpers establish SMTP STARTTLS connections without verifying the remote certificate when the deployment is configured with smtp starttls=True and smt...