CVE-2026-40948

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.

CVSS v3 5.4 MEDIUM

5.4^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 2.5

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/apache/airflow/pull/64114	Issue Tracking Patch
https://lists.apache.org/thread/kc0odpr70hbqhdb9ksnz42fkqz2xld9q	Mailing List Vendor Advisory
http://www.openwall.com/lists/oss-security/2026/04/17/14	Mailing List Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:apache:apache-airflow-providers-keycloak:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-04-18 14:16

Updated : 2026-06-17 10:45

NVD link : CVE-2026-40948

Mitre link : CVE-2026-40948

CVE.ORG link : CVE-2026-40948

JSON object : View

Products Affected

apache

apache-airflow-providers-keycloak

CWE

CWE-352

Cross-Site Request Forgery (CSRF)

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