CVE-2026-73056— 思源内核3.7.4前未限制暴力破解API令牌漏洞
影响版本矩阵 2
| 厂商 | 产品 | 版本范围 | 状态 |
|---|---|---|---|
| siyuan-note | siyuan | < 3.7.4 | affected |
3.7.4 | unaffected |
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一、 漏洞 CVE-2026-73056 基础信息
漏洞信息
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Vulnerability Title
SiYuan kernel before 3.7.4 Unthrottled Brute-Force via API Token
来源: CVE Program / CVE List V5
Vulnerability Description
SiYuan kernel versions before 3.7.4 contain an improper restriction of excessive authentication attempts vulnerability in the CheckAuth() middleware. The middleware accepts the API token (Conf.Api.Token) via an Authorization header (Token/Bearer) or a ?token= query parameter, and neither path is protected by the application's CAPTCHA/lockout mechanism (NeedCaptcha/WrongAuthCount). As a result, an unauthenticated remote attacker can perform unlimited automated guesses of the API token, particularly when a short or weak custom token has been configured, and upon success gains full RoleAdministrator access enabling arbitrary file operations and SQL queries.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
来源: CVE Program / CVE List V5
Vulnerability Type
过多认证尝试的限制不恰当
来源: CVE Program / CVE List V5
受影响产品
| 厂商 | 产品 | 影响版本 | CPE | 订阅 |
|---|---|---|---|---|
| siyuan-note | siyuan | 0 ~ 3.7.4 | - |
二、漏洞 CVE-2026-73056 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2026-73056 厂商安全公告 (2)
IV. Related Vulnerabilities
V. Comments for CVE-2026-73056
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