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CVE-2026-72539— Windmill Labs Windmill - Information Disclosure

Quick assessment

Affected
Windmill Labs Windmill
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.

Windmill Labs Windmill是Windmill Labs组织的一款可构建内部工具与自动化工作流的软件平台。 Windmill Labs Windmill 1.783.0及之前版本存在信息泄露漏洞，该漏洞源于访问控制不当，导致空所有者邮箱的草稿绕过ACL限制，可能使任何经过身份验证的工作区成员读取包含明文资源凭据的遗留无主草稿脚本，造成敏感凭据泄露。

CVSS 6.5 · Medium EPSS 0.40% · P33

Affected Version Matrix 1

VendorProduct Version RangeStatus
Windmill Labs Windmill ≤ 1.783.0 affected
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I. Basic Information for CVE-2026-72539

Vulnerability Information
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Vulnerability Title
Windmill Labs Windmill - Information Disclosure
Source: CVE Program / CVE List V5
Vulnerability Description
An information disclosure vulnerability in Windmill Labs Windmill through 1.783.0 allows any authenticated workspace member to read legacy ownerless draft scripts that contain plaintext resource credentials. Drafts with a null owner email bypass ACL enforcement and are returned to any workspace member who queries the drafts endpoint. Sensitive credentials stored in these drafts are exposed across ACL boundaries.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Windmill Labs Windmill 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Windmill Labs Windmill是Windmill Labs组织的一款可构建内部工具与自动化工作流的软件平台。 Windmill Labs Windmill 1.783.0及之前版本存在信息泄露漏洞，该漏洞源于访问控制不当，导致空所有者邮箱的草稿绕过ACL限制，可能使任何经过身份验证的工作区成员读取包含明文资源凭据的遗留无主草稿脚本，造成敏感凭据泄露。
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 ~ 1.783.0 -

II. Public POCs for CVE-2026-72539

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III. Intelligence Information for CVE-2026-72539

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Same Patch Batch · Windmill Labs · 2026-08-11 · 3 CVEs total

CVE-2026-72541 6.5 MEDIUM Windmill Labs Windmill - Missing Authorization
CVE-2026-72542 5.4 MEDIUM Windmill Labs Windmill - Missing Authorization

IV. Related Vulnerabilities

Same product: Windmill
Same vendor: Windmill Labs
Same weakness: CWE-200

V. Comments for CVE-2026-72539

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