CVE-2026-59243

CVE-2026-59243 — Apache Airflow FAB Auth Manager JWT signature bypass Korean: README.ko.md Apache advisory: https://lists.apache.org/thread/x4784l7z00tl3gw4tv2dmvoon77rxgpl published 2026-07-29 CVE record: https://vulners.com/cve/CVE-2026-59243 Fixed in: apache-airflow-providers-fab==3.7.3 Class:...

CVE-2026-59243_exploit

CVE-2026-59243 — Apache Airflow FAB Provider OAuth Auth Bypass → DAG RCE Authentication bypass in Apache Airflow's FAB auth-manager provider apache-airflow-providers-fab, leading to remote code execution via a triggered DAG. The provider decodes the Azure OAuthidtoken with signature verification...

CLEANSTART-2026-RR24550 Apache Airflow FAB provider: the Authentik OAuth path in the FAB auth manager does not validate the issuer or audience claims of the id_token it accepts

CVE-2026-86466 affects multiple packages. Apache Airflow FAB provider: the Authentik OAuth path in the FAB auth manager does not validate the issuer or audience claims of the idtoken it accepts. See references for individual vulnerability details...

CLEANSTART-2026-TQ94718 Apache Airflow FAB provider versions 3

CVE-2026-75156 affects multiple packages. Apache Airflow FAB provider versions 3. See references for individual vulnerability details...

CLEANSTART-2026-FC44731 Apache Airflow FAB provider: deactivating a user account does not stop tokens issued to that account before deactivation

CVE-2026-82310 affects multiple packages. Apache Airflow FAB provider: deactivating a user account does not stop tokens issued to that account before deactivation. See references for individual vulnerability details...

CLEANSTART-2026-GK10237 Apache Airflow FAB provider: resetting a user's password does not delete that user's existing database-backed sessions, despite documented behaviour that it does

CVE-2026-82311 affects multiple packages. Apache Airflow FAB provider: resetting a user's password does not delete that user's existing database-backed sessions, despite documented behaviour that it does. See references for individual vulnerability details...

CLEANSTART-2026-QU51579 Apache Airflow FAB provider: changing a user's password through the Admin user-edit PATCH endpoint does not invalidate that user's existing database-backed sessions

CVE-2026-86462 affects multiple packages. Apache Airflow FAB provider: changing a user's password through the Admin user-edit PATCH endpoint does not invalidate that user's existing database-backed sessions. See references for individual vulnerability details...

Insufficient Session Expiration

Overview apache-airflow-providers-fab is a Provider package apache-airflow-providers-fab for Apache Airflow Affected versions of this package are vulnerable to Insufficient Session Expiration in the session cleanup. An attacker can maintain unauthorized access by reusing a previously compromised...

Insufficient Session Expiration

Overview apache-airflow-providers-fab is a Provider package apache-airflow-providers-fab for Apache Airflow Affected versions of this package are vulnerable to Insufficient Session Expiration in the Admin user-edit PATCH process. An attacker can maintain unauthorized access by reusing a previousl...

Origin Validation Error

Overview apache-airflow-providers-fab is a Provider package apache-airflow-providers-fab for Apache Airflow Affected versions of this package are vulnerable to Origin Validation Error in the idtoken validation. An attacker can gain unauthorized access by presenting a valid token issued for a...

Insufficient Session Expiration

Overview apache-airflow-providers-fab is a Provider package apache-airflow-providers-fab for Apache Airflow Affected versions of this package are vulnerable to Insufficient Session Expiration due to the Core API accepting existing, unexpired tokens for accounts that have been deactivated by an...

CVE-2026-86466

Apache Airflow FAB provider: the Authentik OAuth path in the FAB auth manager does not validate the issuer or audience claims of the idtoken it accepts. An attacker holding a token that the same Authentik identity provider minted for a different client application can present it to Airflow and be...

CVE-2026-82310

Apache Airflow FAB provider: deactivating a user account does not stop tokens issued to that account before deactivation. Password authentication correctly rejects the disabled account, but the Core API continues to accept an existing, unexpired token naming it, and lets that token mint a...

CVE-2026-86462

Apache Airflow FAB provider: changing a user's password through the Admin user-edit PATCH endpoint does not invalidate that user's existing database-backed sessions. An attacker who already holds a copy of the victim's session cookie keeps full access as that user after the password change, so th...

CVE-2026-82311

Apache Airflow FAB provider: resetting a user's password does not delete that user's existing database-backed sessions, despite documented behaviour that it does. The cleanup compares the string identifier Flask-Login stores in the session against the user's integer database identifier, so the...

CVE-2026-86466 Apache Airflow FAB provider: FAB Authentik provider: id_token issuer/audience not validated

Apache Airflow FAB provider: the Authentik OAuth path in the FAB auth manager does not validate the issuer or audience claims of the idtoken it accepts. An attacker holding a token that the same Authentik identity provider minted for a different client application can present it to Airflow and be...

CVE-2026-86466 Apache Airflow FAB provider: FAB Authentik provider: id_token issuer/audience not validated

Apache Airflow FAB provider: the Authentik OAuth path in the FAB auth manager does not validate the issuer or audience claims of the idtoken it accepts. An attacker holding a token that the same Authentik identity provider minted for a different client application can present it to Airflow and be...

CVE-2026-86466

Apache Airflow FAB provider: the Authentik OAuth path in the FAB auth manager does not validate the issuer or audience claims of the idtoken it accepts. An attacker holding a token that the same Authentik identity provider minted for a different client application can present it to Airflow and be...

CVE-2026-86466

The apache-airflow-providers-fab package is vulnerable to an Origin Validation Error because the Authentik OAuth path in the FAB auth manager fails to validate the issuer or audience claims of accepted id_tokens. An attacker who possesses a valid token issued by the same Authentik identity provid...

CVE-2026-86466 Apache Airflow FAB provider: FAB Authentik provider: id_token issuer/audience not validated

Apache Airflow FAB provider: the Authentik OAuth path in the FAB auth manager does not validate the issuer or audience claims of the idtoken it accepts. An attacker holding a token that the same Authentik identity provider minted for a different client application can present it to Airflow and be...