CVE-2026-76187— Apache Airflow Keycloak 任意客户端凭证会话劫持漏洞
一分钟漏洞结论
影响对象
Apache Software Foundation Apache Airflow Keycloak provider
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。
Apache Airflow Keycloak provider: the unauthenticated token endpoint accepts a client-credentials grant for any confidential client registered in the Keycloak realm, not only the client configured for Airflow. No allowlist restricts which client ids may authen
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一、 漏洞 CVE-2026-76187 基础信息
漏洞信息
尽管我们使用了先进的大模型技术，但其输出仍可能包含不准确或过时的信息。神龙努力确保数据的准确性，但请您根据实际情况进行核实和判断。
Vulnerability Title
Apache Airflow Keycloak provider: Any realm client's credentials mint an Airflow session JWT
来源: CVE Program / CVE List V5
Vulnerability Description
Apache Airflow Keycloak provider: the unauthenticated token endpoint accepts a client-credentials grant for any confidential client registered in the Keycloak realm, not only the client configured for Airflow. No allowlist restricts which client ids may authenticate, so the credentials of an unrelated application that happens to share the realm are valid Airflow login credentials, and Airflow mints a signed session token for that application's service account. The endpoint also answers unauthenticated credential guesses against Keycloak under Airflow's identity.
Affects deployments using the Keycloak auth manager whose realm is shared with other confidential clients. The attacker needs valid credentials for any one of those clients, not for Airflow. Resource authorization is still evaluated per subject, so the access gained is whatever that service account holds, plus any endpoint gated only on being authenticated.
Users of apache-airflow-providers-keycloak are recommended to upgrade to version 0.10.0 or later, which accepts only the configured client on that grant.
来源: CVE Program / CVE List V5
CVSS Information
N/A
来源: CVE Program / CVE List V5
Vulnerability Type
认证机制不恰当
来源: CVE Program / CVE List V5
受影响产品
| 厂商 | 产品 | 影响版本 | CPE | 订阅 |
|---|---|---|---|---|
| Apache Software Foundation | Apache Airflow Keycloak provider | 0 ~ 0.10.0 | - |
|
二、漏洞 CVE-2026-76187 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2026-76187 补丁与修复 (1)
CVE-2026-76187 邮件列表归档 (1)
同批安全公告 · Apache Software Foundation · 2026-09-16 · 共 13 条
| CVE-2026-84501 | Apache ZooKeeper EnsembleAuthenticationProvider 操作日志伪造漏洞 | |
| CVE-2026-84439 | Apache ZooKeeper 审计日志注入漏洞 | |
| CVE-2026-79993 | Apache ZooKeeper 容器节点删除权限缺失漏洞 | |
| CVE-2026-59969 | ZooKeeper FIPS模式下主机不匹配证书验证不当 | |
| CVE-2026-59739 | Apache ZooKeeper 重连重放信息泄露 | |
| CVE-2026-86466 | Apache Airflow FAB提供商认证令牌校验缺失 | |
| CVE-2026-76186 | Apache Airflow Keycloak令牌会话绑定缺失 | |
| CVE-2026-82310 | Airflow FAB认证失效用户保留核心API权限 | |
| CVE-2026-86792 | Apache Kafka provider 远程代码执行漏洞 | |
| CVE-2026-86462 | Apache Airflow FAB密码更新未失效会话漏洞 | |
| CVE-2026-82311 | Apache Airflow FAB 密码重置会话失效失败 | |
| CVE-2026-86465 | Airflow Akeyless Provider 作用域绕过漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2026-76187
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