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CVE-2026-10090— Red Hat Advanced Cluster Management for Kubernetes 权限许可和访问控制问题漏洞

一分钟漏洞结论

影响对象
Red Hat Red Hat Advanced Cluster Management for Kubernetes 2.11
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。

Red Hat Advanced Cluster Management for Kubernetes是美国Red Hat公司的一个Kubernetes多集群管理平台。 Red Hat Advanced Cluster Management for Kubernetes 2版本存在权限许可和访问控制问题漏洞，该漏洞源于Application Subscription控制器未验证订阅创建者是否具有“open-cluster-management:subscription-admin”角色且未限制应用资源到订阅

CVSS 9.0 · Critical EPSS 0.58% · P45
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一、 漏洞 CVE-2026-10090 基础信息

漏洞信息
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Vulnerability Title
Multicluster-operators-subscription: multicluster-operators-subscription: namespace edit user can deploy cluster-scoped clusterrolebinding and become cluster-admin via application subscription
来源: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in the Application Subscription controller (multicluster-operators-subscription) of Red Hat Advanced Cluster Management for Kubernetes (ACM). A user with namespace-scoped "edit" privileges in an ACM hub namespace can create a Channel resource pointing to a Helm repository they control and a Subscription resource referencing it. The app-subscription controller fetches and applies the Helm chart contents with its own elevated authority, without verifying whether the subscription creator holds the "open-cluster-management:subscription-admin" role and without restricting applied resources to the subscription namespace. This allows the attacker to include cluster-scoped resources in the Helm chart, such as a ClusterRoleBinding granting the attacker's ServiceAccount the "cluster-admin" ClusterRole. Successful exploitation results in full cluster-admin privilege escalation. This contradicts the ACM documentation which states that non-subscription-admin users should have resources deployed into the subscription namespace only.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:L
来源: CVE Program / CVE List V5
Vulnerability Type
特权定义了不安全动作
来源: CVE Program / CVE List V5
Vulnerability Title
Red Hat Advanced Cluster Management for Kubernetes 权限许可和访问控制问题漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
Red Hat Advanced Cluster Management for Kubernetes是美国Red Hat公司的一个Kubernetes多集群管理平台。 Red Hat Advanced Cluster Management for Kubernetes 2版本存在权限许可和访问控制问题漏洞，该漏洞源于Application Subscription控制器未验证订阅创建者是否具有“open-cluster-management:subscription-admin”角色且未限制应用资源到订阅
来源: 中国国家信息安全漏洞库 CNNVD
CVSS Information
N/A
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Type
N/A
来源: 中国国家信息安全漏洞库 CNNVD

受影响产品

厂商 产品 影响版本 CPE 订阅
Red Hat Red Hat Advanced Cluster Management for Kubernetes 2.11 1787263584 ~ * cpe:/a:redhat:acm:2.11::el9
Red Hat Red Hat Advanced Cluster Management for Kubernetes 2.13 1787263693 ~ * cpe:/a:redhat:acm:2.13::el9
Red Hat Red Hat Advanced Cluster Management for Kubernetes 2.14 1787170830 ~ * cpe:/a:redhat:acm:2.14::el9
Red Hat Red Hat Advanced Cluster Management for Kubernetes 2.15 1787240030 ~ * cpe:/a:redhat:acm:2.15::el9
Red Hat Red Hat Advanced Cluster Management for Kubernetes 2.16 1787242321 ~ * cpe:/a:redhat:acm:2.16::el9
Red Hat Red Hat Advanced Cluster Management for Kubernetes 2.17 1787242108 ~ * cpe:/a:redhat:acm:2.17::el9

二、漏洞 CVE-2026-10090 的公开POC

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三、漏洞 CVE-2026-10090 的情报信息

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CVE-2026-10090 厂商安全公告 (8)

同批安全公告 · Red Hat · 2026-08-05 · 共 11 条

CVE-2026-10059 9.1 CRITICAL Red Hat Multicluster Engine for Kubernetes 权限许可和访问控制问题漏洞
CVE-2026-15572 8.8 HIGH Keycloak 缓冲区错误漏洞
CVE-2026-15573 8.1 HIGH Keycloak 安全漏洞
CVE-2026-16102 8.1 HIGH Keycloak 安全漏洞
CVE-2026-16443 7.4 HIGH Keycloak 加密问题漏洞
CVE-2026-16442 7.4 HIGH Keycloak 输入验证错误漏洞
CVE-2026-16100 6.5 MEDIUM Keycloak 安全漏洞
CVE-2026-49331 6.5 MEDIUM OpenShift oauth-proxy 输入验证错误漏洞
CVE-2026-44605 5.5 MEDIUM RPM 数字错误漏洞
CVE-2026-16071 5.4 MEDIUM Keycloak 安全漏洞

IV. Related Vulnerabilities

Same product: Red Hat Advanced Cluster Management for Kubernetes 2.11
Same vendor: Red Hat
Same weakness: CWE-267

V. Comments for CVE-2026-10090

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