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CVE-2026-32820— dataCycle Public Markdown Path Traversal Via /docs/*path

Quick assessment

Affected
datacycle-engine dataCycle-CORE
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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及之前版本存在路径遍历漏洞，该漏洞源于文档和静态markdown渲染器接受攻击者控制的路径段且仅通过Rails HTML清理器处理，未移除目录遍历序列，可能导致未经身份验证的攻击者遍历出指定的docs或static目录，并渲染应用程序根或引擎根中的任意.md文件。

CVSS 7.5 · High EPSS 0.89% · P59

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 1

VendorProduct Version RangeStatus
datacycle-engine dataCycle-CORE <= 25.07.3 affected
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I. Basic Information for CVE-2026-32820

Vulnerability Information
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Vulnerability Title
dataCycle Public Markdown Path Traversal Via /docs/*path
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, the documentation and static markdown renderer accepts attacker-controlled path segments and only runs them through the Rails HTML sanitizer, which does not remove directory traversal sequences. An unauthenticated attacker can traverse out of the intended `docs` or `static` directories and render arbitrary `.md` files from the application root or engine root. This is patched in version 26.06.08.
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
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
dataCycle CORE 路径遍历漏洞
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及之前版本存在路径遍历漏洞，该漏洞源于文档和静态markdown渲染器接受攻击者控制的路径段且仅通过Rails HTML清理器处理，未移除目录遍历序列，可能导致未经身份验证的攻击者遍历出指定的docs或static目录，并渲染应用程序根或引擎根中的任意.md文件。
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

Vendor Product Affected Versions CPE Subscribe
datacycle-engine dataCycle-CORE <= 25.07.3 -

II. Public POCs for CVE-2026-32820

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 6752 chars
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Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
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III. Intelligence Information for CVE-2026-32820

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Vendor Advisories for CVE-2026-32820 (1)

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

CVE-2026-32821 8.1 HIGH API Collection Impersonation Via user_email And Missing Object- Level Authorization
CVE-2026-32807 7.5 HIGH dataCycle Public DataLink Text File Download Ignores Validity And Authorization
CVE-2026-32806 7.5 HIGH dataCycle Authorization Bypass Via /remote_render
CVE-2026-32825 7.3 HIGH dataCycle No Brute-Force Protection On Web And API Login Endpoints
CVE-2026-32824 7.3 HIGH dataCycle User API Password Reset And Confirmation Flows Trust Attacker- Controlled Redire
CVE-2026-32822 6.1 MEDIUM dataCycle Unauthenticated Reflected DOM XSS Via flash[...] On Public Pages
CVE-2026-32823 4.3 MEDIUM dataCycle State-Changing GET Endpoints Enable CSRF
CVE-2026-32819 4.3 MEDIUM dataCycle User Directory Enumeration Via /users/search

IV. Related Vulnerabilities

Same product: dataCycle-CORE
Same vendor: datacycle-engine
Same weakness: CWE-22

V. Comments for CVE-2026-32820

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