CVE-2026-54418— Leantime 2FA JSON-RPC 接口越权绕过与密钥泄露漏洞
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一、 漏洞 CVE-2026-54418 基础信息
漏洞信息
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Vulnerability Title
Leantime: Missing Authorization on TwoFA JSON-RPC Methods Allows Cross-Account 2FA Secret Disclosure and Bypass
来源: CVE Program / CVE List V5
Vulnerability Description
Leantime through 3.6.2 exposes the JSON-RPC methods leantime.rpc.TwoFA.TwoFA.getSetupData, saveSecret, verifyAndEnable, and disable2FA, which act on a caller-supplied userId parameter with no ownership check, session pinning, or permission-attribute gate (unlike other RPC-exposed methods in the same dispatcher). Any authenticated user can invoke getSetupData with an arbitrary userId to read that user's live TOTP secret, or disable2FA to strip another account's two-factor authentication entirely, fully defeating account-level 2FA protection. This is related to CVE-2026-15509, which covers a similar missing-authorization pattern in the JSON-RPC editUser/addUser role-assignment path in the same application; the TwoFA service methods addressed here are a distinct, independently fixable set of RPC endpoints.
来源: 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
来源: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
来源: CVE Program / CVE List V5
受影响产品
二、漏洞 CVE-2026-54418 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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Qwen3.6-35B-A3B · 5586 chars
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三、漏洞 CVE-2026-54418 的情报信息
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CVE-2026-54418 其他参考 (1)
IV. Related Vulnerabilities
V. Comments for CVE-2026-54418
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