CVE-2026-50240— OpenShift Pipelines 权限提升漏洞
一分钟漏洞结论
影响对象
Red Hat Builds for Red Hat OpenShift
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。
在 OpenShift Pipelines-as-Code（PAC）中发现一个安全漏洞。PAC 未验证创建 Repository 自定义资源（Custom Resource）的用户是否拥有创建 PipelineRun 的权限。因此，仅具备创建和删除 Repository 及 Secret 权限的命名空间用户，可诱导 PAC 以自动配置的 pipeline ServiceAccount 身份执行由攻击者控制的 PipelineRun。该 ServiceAccount 默认拥有 ClusterRole/edit 权限，
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一、 漏洞 CVE-2026-50240 基础信息
漏洞信息
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Vulnerability Title
Pipelines-as-code: openshift-pipelines-operator-rh: pipelines-as-code: repository users can trigger namespace edit-equivalent execution via auto-provisioned pipeline serviceaccount
来源: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in OpenShift Pipelines-as-Code (PAC). PAC does not verify whether the creator of a Repository custom resource has permission to create PipelineRuns. A namespace user with only Repository and Secret create/delete permissions can cause PAC to execute attacker-controlled PipelineRuns as the auto-provisioned pipeline ServiceAccount, which carries ClusterRole/edit by default. This results in namespace-scoped privilege escalation, enabling Secret read, resource creation/modification/deletion, and potential supply chain injection in CI/CD namespaces.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
来源: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
来源: CVE Program / CVE List V5
受影响产品
| 厂商 | 产品 | 影响版本 | CPE | 订阅 |
|---|---|---|---|---|
| Red Hat | Builds for Red Hat OpenShift | - |
cpe:/a:redhat:openshift_builds:1
|
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| Red Hat | OpenShift Pipelines | - |
cpe:/a:redhat:openshift_pipelines:1
|
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| Red Hat | OpenShift Pipelines | - |
cpe:/a:redhat:openshift_pipelines:1
|
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| Red Hat | OpenShift Pipelines | - |
cpe:/a:redhat:openshift_pipelines:1
|
|
| Red Hat | OpenShift Pipelines | - |
cpe:/a:redhat:openshift_pipelines:1
|
|
| Red Hat | OpenShift Pipelines | - |
cpe:/a:redhat:openshift_pipelines:1
|
|
| Red Hat | OpenShift Pipelines | - |
cpe:/a:redhat:openshift_pipelines:1
|
|
| Red Hat | OpenShift Pipelines | - |
cpe:/a:redhat:openshift_pipelines:1
|
|
| Red Hat | OpenShift Pipelines | - |
cpe:/a:redhat:openshift_pipelines:1
|
|
| Red Hat | OpenShift Pipelines | - |
cpe:/a:redhat:openshift_pipelines:1
|
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| Red Hat | OpenShift Pipelines | - |
cpe:/a:redhat:openshift_pipelines:1
|
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| Red Hat | OpenShift Pipelines | - |
cpe:/a:redhat:openshift_pipelines:1
|
|
| Red Hat | OpenShift Pipelines | - |
cpe:/a:redhat:openshift_pipelines:1
|
|
| Red Hat | OpenShift Pipelines | - |
cpe:/a:redhat:openshift_pipelines:1
|
|
| Red Hat | OpenShift Pipelines | - |
cpe:/a:redhat:openshift_pipelines:1
|
|
| Red Hat | OpenShift Pipelines | - |
cpe:/a:redhat:openshift_pipelines:1
|
|
| Red Hat | OpenShift Pipelines | - |
cpe:/a:redhat:openshift_pipelines:1
|
|
| Red Hat | OpenShift Pipelines | - |
cpe:/a:redhat:openshift_pipelines:1
|
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| Red Hat | OpenShift Pipelines | - |
cpe:/a:redhat:openshift_pipelines:1
|
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| Red Hat | OpenShift Serverless | - |
cpe:/a:redhat:serverless:1
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| Red Hat | OpenShift Serverless | - |
cpe:/a:redhat:serverless:1
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| Red Hat | OpenShift Serverless | - |
cpe:/a:redhat:serverless:1
|
|
| Red Hat | Red Hat OpenShift Dev Spaces | - |
cpe:/a:redhat:openshift_devspaces:3
|
|
| Red Hat | Red Hat Web Terminal | - |
cpe:/a:redhat:webterminal:1
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|
二、漏洞 CVE-2026-50240 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2026-50240 其他参考 (2)
同批安全公告 · Red Hat · 2026-11-06 · 共 17 条
| CVE-2026-109081 | 6.8 MEDIUM | Keycloak-services 通过 DCR 端点注入 realm 默认角色漏洞 |
| CVE-2026-19688 | 6.8 MEDIUM | Keycloak 管理员 API 缺少受众检查漏洞 |
| CVE-2026-123037 | 6.7 MEDIUM | Ansible-core user 模块 SSH 密钥生成本地提权漏洞 |
| CVE-2026-96547 | 6.5 MEDIUM | Keycloak-services DCR 注册时间声明路径差异伪造角色漏洞 |
| CVE-2026-97848 | 6.5 MEDIUM | Keycloak-services 协议映射器 JSON 类型绕过令牌清理漏洞 |
| CVE-2026-9797 | 6.5 MEDIUM | Keycloak 认证管理员权限提升漏洞 |
| CVE-2026-107124 | 6.4 MEDIUM | Keycloak OIDC 登出端点会话固定导致账户接管漏洞 |
| CVE-2026-97367 | 6.4 MEDIUM | Keycloak 服务 DCRAzpSID 替换导致会话劫持漏洞 |
| CVE-2026-120749 | 6.2 MEDIUM | Dbus dbus-daemon 拒绝服务漏洞 |
| CVE-2026-96460 | 5.4 MEDIUM | Keycloak-services 令牌无限续期漏洞 |
| CVE-2026-92856 | 4.9 MEDIUM | Keycloak 忽略 SAML 代理限制委托约束漏洞 |
| CVE-2026-123876 | 4.4 MEDIUM | Podman containers-common 默认 seccomp 规则绕过漏洞 |
| CVE-2026-121837 | 4.3 MEDIUM | Quarkus-rest-data-panache 过滤器与排序忽略@securefield 漏洞 |
| CVE-2026-96447 | 4.2 MEDIUM | Keycloak 身份重绑定漏洞 |
| CVE-2026-83493 | GitHub Actions 依赖未固定导致远程代码执行漏洞 | |
| CVE-2026-83494 | Kubeflow 1.7 训练算子绕过不可变校验漏洞 |