CVE-2026-40948— Apache Airflow Providers Keycloak: OAuth Login CSRF — Missing State Parameter in Keycloak Auth Manager
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I. Basic Information for CVE-2026-40948
Vulnerability Information
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Vulnerability Title
Apache Airflow Providers Keycloak: OAuth Login CSRF — Missing State Parameter in Keycloak Auth Manager
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
跨站请求伪造(CSRF)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Apache Airflow 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache Airflow是美国阿帕奇（Apache）基金会的一套具有创建、管理和监控工作流程功能的开源平台。该平台具有可扩展和动态监控等特点。 Apache Airflow存在安全漏洞，该漏洞源于Keycloak身份验证管理器未生成或验证OAuth 2.0 state参数，且未使用PKCE，可能导致攻击者通过特制回调URL使受害者登录到攻击者的Airflow会话，进而窃取凭据。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Apache Software Foundation | Apache Airflow Providers Keycloak | 0.0.1 ~ 0.7.0 | - |
II. Public POCs for CVE-2026-40948
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Same Patch Batch · Apache Software Foundation · 2026-04-18 · 6 CVEs total
| CVE-2026-32690 | Apache Airflow: 3.x - Nested Variable Secret Values Bypass Redaction via max_depth=1 | |
| CVE-2026-30898 | Apache Airflow: Bad example of BashOperator shell injection via dag_run.conf | |
| CVE-2026-30912 | Apache Airflow: Exposing stack trace in case of constraint error | |
| CVE-2026-25917 | Apache Airflow: API extra-links triggers XCom deserialization/class instantiation (Airflow | |
| CVE-2026-32228 | Apache Airflow: Users with asset materialization permisssions could trigger Dags they had |
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V. Comments for CVE-2026-40948
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