Apache Airflow FAB provider versions 3.7.3 through 3.8.0 do not validate the issuer or audience of Azure AD `id_token`s during OAuth login. Deployments are affected only when the FAB auth manager is …
Critical CVSS 9.1
Summary
Apache Airflow FAB provider versions 3.7.3 through 3.8.0 do not validate the issuer or audience of Azure AD `id_token`s during OAuth login. Deployments are affected only when the FAB auth manager is configured with Azure AD as an OAuth provider. Because the signing keys are fetched from Microsoft's **multi-tenant** JWKS endpoint, an `id_token` minted in *any* Azure tenant — including one the attacker creates — passes signature verification, and the username and role assignments are then read fr…
In-depth triage
No in-depth report has been generated yet (DR-003 v2 AI pipeline is under construction).
Affected products
- :
Sources
- NVD DATABASE
Original Links
- https://github.com/apache/airflow/pull/71735 Patch
- https://lists.apache.org/thread/n3l6z4jfdxj4p0t8l7m6olkq6xsc6f76 Mailing List
- https://www.cve.org/CVERecord?id=CVE-2026-59243 Third Party Advisory
Timeline
- nvd_ingest NVD