CVE-2026-13622— KubeVirt 路径遍历漏洞
一分钟漏洞结论
影响对象
Red Hat Red Hat Container Native Virtualization 4.12
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。
KubeVirt是KubeVirt组织开源的一款用于在 Kubernetes 上直接运行和管理虚拟机的开源工具，让容器化应用和传统虚拟机工作负载可以在同一个平台上共存。 KubeVirt存在路径遍历漏洞，该漏洞源于virt-handler迁移代理使用net.Dial()连接Unix套接字时未进行符号链接保护，可能导致具有命名空间编辑和pods/exec权限的攻击者将迁移代理套接字替换为指向宿主CRI-O套接字的符号链接，从而完全控制节点。
影响版本矩阵 11
| 厂商 | 产品 | 版本范围 | 状态 |
|---|---|---|---|
| Red Hat | Red Hat Container Native Virtualization 4.12 | 1785837722< * |
unaffected |
| Red Hat | Red Hat Container Native Virtualization 4.13 | 1786346596< * |
unaffected |
| Red Hat | Red Hat Container Native Virtualization 4.14 | 1786309624< * |
unaffected |
| Red Hat | Red Hat Container Native Virtualization 4.15 | 1786347656< * |
unaffected |
| Red Hat | Red Hat Container Native Virtualization 4.16 | 1786030071< * |
unaffected |
| Red Hat | Red Hat Container Native Virtualization 4.17 | 1786348529< * |
unaffected |
| Red Hat | Red Hat Container Native Virtualization 4.18 | 1786130068< * |
unaffected |
| Red Hat | Red Hat Container Native Virtualization 4.19 | 1786334215< * |
unaffected |
| Red Hat | Red Hat Container Native Virtualization 4.20 | 1785831334< * |
unaffected |
| Red Hat | Red Hat Container Native Virtualization 4.21 | 1785829701< * |
unaffected |
| Red Hat | Red Hat Container Native Virtualization 4.22 | 1785140336< * |
unaffected |
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一、 漏洞 CVE-2026-13622 基础信息
漏洞信息
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Vulnerability Title
Kubevirt: virt-handler-rhel9: kubevirt: virt-handler migration proxy follows symlinks allowing container escape to host
来源: CVE Program / CVE List V5
Vulnerability Description
A symlink following vulnerability was found in KubeVirt's virt-handler migration proxy. During live migration, virt-handler dials Unix sockets inside the target virt-launcher pod via /proc/<pid>/root/ paths using net.Dial() without symlink protection. These socket paths reside in qemu-owned directories writable by the virt-launcher user. An attacker with namespace edit and pods/exec permissions can replace a migration proxy socket with a symlink to the host CRI-O socket. Because virt-handler runs as root in the host mount namespace, absolute symlink targets resolve against the host filesystem, and the bidirectional io.Copy proxy relays attacker-controlled bytes to the container runtime, enabling full node compromise.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
来源: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
来源: CVE Program / CVE List V5
Vulnerability Title
KubeVirt 路径遍历漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
KubeVirt是KubeVirt组织开源的一款用于在 Kubernetes 上直接运行和管理虚拟机的开源工具，让容器化应用和传统虚拟机工作负载可以在同一个平台上共存。 KubeVirt存在路径遍历漏洞，该漏洞源于virt-handler迁移代理使用net.Dial()连接Unix套接字时未进行符号链接保护，可能导致具有命名空间编辑和pods/exec权限的攻击者将迁移代理套接字替换为指向宿主CRI-O套接字的符号链接，从而完全控制节点。
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 Container Native Virtualization 4.12 | 1785837722 ~ * |
cpe:/a:redhat:container_native_virtualization:4.12::el8
|
|
| Red Hat | Red Hat Container Native Virtualization 4.13 | 1786346596 ~ * |
cpe:/a:redhat:container_native_virtualization:4.13::el9
|
|
| Red Hat | Red Hat Container Native Virtualization 4.14 | 1786309624 ~ * |
cpe:/a:redhat:container_native_virtualization:4.14::el9
|
|
| Red Hat | Red Hat Container Native Virtualization 4.15 | 1786347656 ~ * |
cpe:/a:redhat:container_native_virtualization:4.15::el9
|
|
| Red Hat | Red Hat Container Native Virtualization 4.16 | 1786030071 ~ * |
cpe:/a:redhat:container_native_virtualization:4.16::el9
|
|
| Red Hat | Red Hat Container Native Virtualization 4.17 | 1786348529 ~ * |
cpe:/a:redhat:container_native_virtualization:4.17::el9
|
|
| Red Hat | Red Hat Container Native Virtualization 4.18 | 1786130068 ~ * |
cpe:/a:redhat:container_native_virtualization:4.18::el9
|
|
| Red Hat | Red Hat Container Native Virtualization 4.19 | 1786334215 ~ * |
cpe:/a:redhat:container_native_virtualization:4.19::el9
|
|
| Red Hat | Red Hat Container Native Virtualization 4.20 | 1785831334 ~ * |
cpe:/a:redhat:container_native_virtualization:4.20::el9
|
|
| Red Hat | Red Hat Container Native Virtualization 4.21 | 1785829701 ~ * |
cpe:/a:redhat:container_native_virtualization:4.21::el9
|
|
| Red Hat | Red Hat Container Native Virtualization 4.22 | 1785140336 ~ * |
cpe:/a:redhat:container_native_virtualization:4.22::el9
|
|
二、漏洞 CVE-2026-13622 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
AI 生成 POC
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CVE-2026-13622 厂商安全公告 (13)
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🔗 RHSA-2026:53797 - Security Advisory - Red Hat Customer Portal 查看完整文章 vendor-advisory x_refsource_REDHAT
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🔗 RHSA-2026:51031 - Security Advisory - Red Hat Customer Portal 查看完整文章 vendor-advisory x_refsource_REDHAT
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🔗 RHSA-2026:53684 - Security Advisory - Red Hat Customer Portal 查看完整文章 vendor-advisory x_refsource_REDHAT
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🔗 RHEA-2026:53670 - Product Enhancement Advisory - Red Hat Customer Portal 查看完整文章 vendor-advisory x_refsource_REDHAT
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🔗 RHSA-2026:53721 - Security Advisory - Red Hat Customer Portal 查看完整文章 vendor-advisory x_refsource_REDHAT
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🔗 RHSA-2026:53655 - Security Advisory - Red Hat Customer Portal 查看完整文章 vendor-advisory x_refsource_REDHAT
同批安全公告 · Red Hat · 2026-08-12 · 共 19 条
| CVE-2026-72526 | 9.9 CRITICAL | Redhat Advanced Cluster Management 服务端请求伪造漏洞 |
| CVE-2026-72508 | 9.9 CRITICAL | Red Hat Advanced Cluster Management for Kubernetes 权限许可和访问控制问题漏洞 |
| CVE-2026-73268 | 9.9 CRITICAL | Stolostron Cluster-Curator-Controller 代码注入漏洞 |
| CVE-2026-73269 | 9.9 CRITICAL | Stolostron Cluster-Curator-Controller 权限许可和访问控制问题漏洞 |
| CVE-2026-70398 | 9.6 CRITICAL | Redhat Advanced Cluster Management 服务端请求伪造漏洞 |
| CVE-2026-71471 | 9.0 CRITICAL | Red Hat acm-search-v2-api 软件供应链问题漏洞 |
| CVE-2026-71473 | 8.5 HIGH | Stolostron search-v2-operator 输入验证错误漏洞 |
| CVE-2026-73122 | 7.7 HIGH | Redhat Advanced Cluster Management 权限许可和访问控制问题漏洞 |
| CVE-2026-66878 | 7.7 HIGH | Redhat Advanced Cluster Management 授权问题漏洞 |
| CVE-2026-19654 | 7.5 HIGH | Rsyslog 缓冲区错误漏洞 |
| CVE-2026-71469 | 7.5 HIGH | Stolostron search-v2-operator 资源管理错误漏洞 |
| CVE-2026-18726 | 6.5 MEDIUM | Open-iSCSI 资源管理错误漏洞 |
| CVE-2026-18727 | 6.5 MEDIUM | Open-iSCSI 数字错误漏洞 |
| CVE-2026-71846 | 6.5 MEDIUM | Red Hat Insights Client 权限许可和访问控制问题漏洞 |
| CVE-2026-64927 | 6.4 MEDIUM | Redhat Advanced Cluster Management 授权问题漏洞 |
| CVE-2026-18663 | 5.9 MEDIUM | 389 Directory Server 资源管理错误漏洞 |
| CVE-2026-19130 | 5.8 MEDIUM | Red Hat provider-credential-controller 授权问题漏洞 |
| CVE-2026-19548 | 5.5 MEDIUM | GNU linker 资源管理错误漏洞 |
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