CVE-2026-59712— Leantime - JSON-RPC API Broken Access Control via users.getUser
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I. Basic Information for CVE-2026-59712
Vulnerability Information
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Vulnerability Title
Leantime - JSON-RPC API Broken Access Control via users.getUser
Source: CVE Program / CVE List V5
Vulnerability Description
Leantime's Users::getUser method in the JSON-RPC API lacks proper authorization checks, allowing authenticated users to retrieve full user credential rows including password hashes, TOTP secrets, and session tokens. Attackers can exploit this by calling users.getUser with arbitrary user IDs to enumerate all accounts and obtain credentials for offline password cracking, 2FA bypass, and session hijacking.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5
Vulnerability Title
Leantime 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Leantime是Leantime公司开源的一个面向非项目经理的以目标为中心的项目管理系统。 Leantime 3.4.4及之前版本存在授权问题漏洞，该漏洞源于JSON-RPC API中Users::getUser方法缺乏适当的授权检查，可能导致已验证用户检索完整的用户凭证行，包括密码哈希、TOTP密钥和会话令牌。攻击者可通过使用任意用户ID调用users.getUser来枚举所有账户并获取凭据，用于离线密码破解、双因素身份验证绕过和会话劫持。
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
II. Public POCs for CVE-2026-59712
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
Qwen3.6-35B-A3B · 7841 chars
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III. Intelligence Information for CVE-2026-59712
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Patches & Fixes for CVE-2026-59712 (1)
Vendor Advisories for CVE-2026-59712 (1)
Proof of Concept for CVE-2026-59712 (1)
Other References for CVE-2026-59712 (1)
IV. Related Vulnerabilities
Same product: Leantime
- CVE-2026-54418
Leantime - Missing Authorization on TwoFA JSON-RPC Methods A - CVE-2026-66416
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Same vendor: Leantime
- CVE-2026-54418
Leantime - Missing Authorization on TwoFA JSON-RPC Methods A - CVE-2026-66416
Leantime CSRF Protection Globally Disabled by Omission of La - CVE-2026-66415
Leantime Server-Side Request Forgery and Local File Inclusio - CVE-2026-66414
Leantime Open Redirect in Login Controller via redirectUrl P - CVE-2026-66412
Leantime all versions prior to and 3.6.2 Broken Access Contr
Same weakness: CWE-639
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V. Comments for CVE-2026-59712
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