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CVE-2026-32807— dataCycle Public DataLink Text File Download Ignores Validity And Authorization

CVSS 7.5 · High EPSS 0.29% · P21

Possible ATT&CK Techniques 1AI

T1005 · Data from Local System

Affected Version Matrix 1

VendorProductVersion RangeStatus
datacycle-enginedataCycle-CORE<= 25.07.3affected
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I. Basic Information for CVE-2026-32807

Vulnerability Information
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Vulnerability Title
dataCycle Public DataLink Text File Download Ignores Validity And Authorization
Source: CVE Program / CVE List V5
Vulnerability Description
dataCycle is a data management system for centrally storing, managing, searching, finding, and distributing data. In dataCycle-CORE, the module handling core processing and framework rules, before and including version 25.07.3, anyone with a DataLink UUID can fetch the attached text file directly, even if the link is expired, the caller is unauthenticated, or the normal show flow would have denied access. Because the route is public and the mailer embeds the direct file URL, any leaked, forwarded, logged, or stale email link can continue to expose the attachment.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
dataCycle CORE 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
dataCycle dataCycle CORE是奥地利dataCycle组织的一个数据管理系统的核心处理与框架模块。 dataCycle CORE 25.07.3及之前版本存在授权问题漏洞，该漏洞源于授权问题，可能导致具有DataLink UUID的攻击者直接获取附加文本文件，即使链接过期、调用者未经验证或正常访问流程拒绝访问，任何泄露、转发、记录或过时的电子邮件链接仍能暴露附件。
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

VendorProductAffected VersionsCPESubscribe
datacycle-enginedataCycle-CORE <= 25.07.3 -

II. Public POCs for CVE-2026-32807

#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium
Qwen3.6-35B-A3B · 6542 chars
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Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
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Trigger conditions & impact
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III. Intelligence Information for CVE-2026-32807

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Vendor Advisories for CVE-2026-32807 (1)

Same Patch Batch · datacycle-engine · 2026-07-20 · 9 CVEs total

CVE-2026-328218.1 HIGHAPI Collection Impersonation Via user_email And Missing Object- Level Authorization
CVE-2026-328207.5 HIGHdataCycle Public Markdown Path Traversal Via /docs/*path
CVE-2026-328067.5 HIGHdataCycle Authorization Bypass Via /remote_render
CVE-2026-328257.3 HIGHdataCycle No Brute-Force Protection On Web And API Login Endpoints
CVE-2026-328247.3 HIGHdataCycle User API Password Reset And Confirmation Flows Trust Attacker- Controlled Redire
CVE-2026-328226.1 MEDIUMdataCycle Unauthenticated Reflected DOM XSS Via flash[...] On Public Pages
CVE-2026-328234.3 MEDIUMdataCycle State-Changing GET Endpoints Enable CSRF
CVE-2026-328194.3 MEDIUMdataCycle User Directory Enumeration Via /users/search

IV. Related Vulnerabilities

Same product: dataCycle-CORE
Same vendor: datacycle-engine
Same weakness: CWE-285

V. Comments for CVE-2026-32807

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