CVE-2026-47107— Windmill < 1.703.2 Incorrect Default Permissions in nsjail Configuration
Possible ATT&CK Techniques 3AI
T1059 · Command and Scripting Interpreter T1071 · Application Layer Protocol T1080 · Taint Shared ContentAffected Version Matrix 2
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| windmill-labs | windmill | < 1.703.2 | affected |
f8467f38c8a053117ce62f96684cfb15ef792f08 | unaffected |
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I. Basic Information for CVE-2026-47107
Vulnerability Information
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Vulnerability Title
Windmill < 1.703.2 Incorrect Default Permissions in nsjail Configuration
Source: NVD (National Vulnerability Database)
Vulnerability Description
Windmill prior to 1.703.2 contains an incorrect default permissions vulnerability in nsjail sandbox configuration files where /etc is bind-mounted without read-write restrictions, allowing authenticated users to write arbitrary entries to /etc/hosts, /etc/resolv.conf, and /etc/ssl/certs/ca-certificates.crt from within script execution sandboxes. Attackers can exploit persistent poisoned entries across all subsequent script executions on the same worker pod to redirect hostnames, intercept DNS queries, perform transparent HTTPS man-in-the-middle attacks, and intercept WM_TOKEN JWTs to gain workspace-admin access to other users' workspaces.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
缺省权限不正确
Source: NVD (National Vulnerability Database)
Vulnerability Title
Windmill 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Windmill是Windmill Labs, Inc开源的一个低代码开发平台。 Windmill 1.703.2之前版本存在安全漏洞，该漏洞源于nsjail沙箱配置文件中/etc以无读写限制方式绑定挂载，可能导致认证用户从脚本执行沙箱内写入/etc/hosts、/etc/resolv.conf和/etc/ssl/certs/ca-certificates.crt的任意条目，攻击者可利用持久化投毒条目重定向主机名、拦截DNS查询、执行透明HTTPS中间人攻击，并拦截WM_TOKEN JWT以获取跨租户受害
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| windmill-labs | windmill | 0 ~ 1.703.2 | - |
II. Public POCs for CVE-2026-47107
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2026-47107 (2)
Vendor Advisories for CVE-2026-47107 (1)
Vendor Pages for CVE-2026-47107 (1)
- Release v1.703.2 · windmill-labs/windmill · GitHubrelease-notes
IV. Related Vulnerabilities
Same product: windmill
Same weakness: CWE-276
- CVE-2026-44469
Incorrect Default Permissions in CODESYS Development System - CVE-2026-44468
Incorrect Default Permissions in CODESYS Development System - CVE-2018-25359
Splinterware System Scheduler Pro 5.12 Privilege Escalation - CVE-2025-32749
Dell PowerFlex Manager <=4.6.2 信息泄露漏洞 - CVE-2026-8487
Incorrect default permissions vulnerability in Progress Soft
V. Comments for CVE-2026-47107
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