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CVE-2026-50529— DataEase: Link Token Leakage Prior to Share Password/Ticket Validation

Quick assessment

Affected
dataease dataease
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.

DataEase是Dataease组织开源的一个开源的数据可视化分析工具。用于帮助用户快速分析数据并洞察业务趋势,从而实现业务的改进与优化。 DataEase 2.10.24之前版本存在授权问题漏洞，该漏洞源于/share/proxyInfo接口在验证分享密码或票据之前生成并返回X-DE-LINK-TOKEN，允许知道受保护分享UUID的未经验证攻击者即使凭据缺失或无效也能获取有效链接令牌。

AI Predicted 5.3 Difficulty: Easy EPSS 0.50% · P40

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
dataease dataease < 2.10.24 affected
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I. Basic Information for CVE-2026-50529

Vulnerability Information
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Vulnerability Title
DataEase: Link Token Leakage Prior to Share Password/Ticket Validation
Source: CVE Program / CVE List V5
Vulnerability Description
DataEase is an open source data visualization and analysis tool. Prior to 2.10.24, the /de2api/share/proxyInfo share interface generates and returns X-DE-LINK-TOKEN before validating the share password or ticket, allowing unauthenticated attackers who know a protected share UUID to obtain a valid link token for subsequent share-related API calls even with missing or invalid credentials. This issue is fixed in version 2.10.24.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
Source: CVE Program / CVE List V5
Vulnerability Title
DataEase 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
DataEase是Dataease组织开源的一个开源的数据可视化分析工具。用于帮助用户快速分析数据并洞察业务趋势,从而实现业务的改进与优化。 DataEase 2.10.24之前版本存在授权问题漏洞，该漏洞源于/share/proxyInfo接口在验证分享密码或票据之前生成并返回X-DE-LINK-TOKEN，允许知道受保护分享UUID的未经验证攻击者即使凭据缺失或无效也能获取有效链接令牌。
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
dataease dataease < 2.10.24 -

II. Public POCs for CVE-2026-50529

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III. Intelligence Information for CVE-2026-50529

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Patches & Fixes for CVE-2026-50529 (1)

Vendor Advisories for CVE-2026-50529 (1)

Vendor Pages for CVE-2026-50529 (1)

Same Patch Batch · dataease · 2026-07-07 · 10 CVEs total

CVE-2026-53729 DataEase ExportCenter IDOR allows cross-user export task access
CVE-2026-53751 DataEase: H2 JDBC URL Filter Bypass Leads to Remote Code Execution (RCE)
CVE-2026-53730 DataEase: Unauthorized Access to Engine Database via previewSql Endpoint
CVE-2026-57172 DataEase: Hardcoded JWT Signing Secret in ShareLink
CVE-2026-50530 DataEase: Token with Overly Broad Privileges in Share Mode: Access to Unshared Datasets
CVE-2026-55631 DataEase: Path Traversal Leading to Arbitrary File Deletion via Font Management
CVE-2026-55635 DataEase: Authenticated SQL Injection in Chart Quota Filters
CVE-2026-55647 DataEase: authenticated stored XSS in the dashboard text components
CVE-2026-55633 DataEase H2 RCE via Zip Protocol & File Dropper Fix bypass

IV. Related Vulnerabilities

Same product: dataease
Same vendor: dataease
Same weakness: CWE-863

V. Comments for CVE-2026-50529

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