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CVE-2026-57169— Dockhand: Unauthenticated container exec via WebSocket upgrade

Quick assessment

Affected
Finsys dockhand
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Dockhand 是一款 Docker 管理应用。在 1.0.34 版本之前，其内置浏览器容器终端的接口 未对 WebSocket 升级请求实施身份验证。如果未认证的攻击者能够访问 Dockhand 的网络、知晓目标容器 ID，且目标容器运行了交互式 Shell，则攻击者可建立原始 WebSocket 终端会话，并在已知目标容器内执行命令。该漏洞导致攻击者可在容器内无需认证即可执行命令；若容器挂载了敏感目录或以特权模式运行，还可能进一步导致宿主机被攻陷。此问题已在 1.0.34 版本中修复。

CVSS 9.6 · Critical

Affected Version Matrix 1

VendorProduct Version RangeStatus
Finsys dockhand < 1.0.34 affected
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I. Basic Information for CVE-2026-57169

Vulnerability Information
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Vulnerability Title
Dockhand: Unauthenticated container exec via WebSocket upgrade
Source: CVE Program / CVE List V5
Vulnerability Description
Dockhand is a Docker management application. Prior to 1.0.34, the in-browser container terminal endpoint /api/containers/<id>/exec does not enforce authentication on the WebSocket upgrade request. When an unauthenticated attacker has network reach to Dockhand, knows a target container ID, and targets a container with an interactive shell, the attacker can open a raw WebSocket terminal session and execute commands inside a known target container. This allows unauthenticated command execution inside the container, with possible host compromise when the container has sensitive mounts or privileged execution. This issue is fixed in version 1.0.34.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Finsys dockhand < 1.0.34 -

II. Public POCs for CVE-2026-57169

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III. Intelligence Information for CVE-2026-57169

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Vendor Advisories for CVE-2026-57169 (1)

IV. Related Vulnerabilities

Same product: dockhand
Same vendor: Finsys
Same weakness: CWE-306

V. Comments for CVE-2026-57169

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