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CVE-2026-40948 The Keycloak authentication manager in `apache-airflow-providers-keycloak` did not generate or validate the OAuth 2.0…

Description

The Keycloak authentication manager in `apache-airflow-providers-keycloak` did not generate or validate the OAuth 2.0 `state` parameter on the login / login-callback flow, and did not use PKCE. An attacker with a Keycloak account in the same realm could deliver a crafted callback URL to a victim's browser and cause the victim to be logged into the attacker's Airflow session (login-CSRF / session fixation), where any credentials the victim subsequently stored in Airflow Connections would be harvestable by the attacker. Users are advised to upgrade `apache-airflow-providers-keycloak` to 0.7.0 or later.

Affected products and versions

Product Affected versions Fixed in
Apache Airflow 0.0 0.0.1 → < 0.7.0 0.7.0
Apache Airflow Providers Keycloak 0.0 0.0.1 → < 0.7.0 0.7.0

References

Timeline

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