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CVE-2026-42349— Official Clerk JavaScript SDKs 代码问题漏洞

一分钟漏洞结论

影响对象
clerk javascript
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。

Official Clerk JavaScript SDKs是Clerk开源的一个用于 Clerk 身份验证的官方 Javascript 存储库。 Official Clerk JavaScript SDKs存在代码问题漏洞，该漏洞源于has()、auth.protect()及相关授权谓词在特定组合授权检查中可能返回true，可能导致不满足全部条件的用户绕过授权检查执行受限操作。

AI 预测 7.5 利用难度: 较易 EPSS 0.43% · P36

可能的 ATT&CK 技术 1 AI

T1528 · Steal Application Access Token

影响版本矩阵 29

厂商产品 版本范围状态
@clerk astro >= 2.0.0, <= 2.17.10 affected
>= 3.0.0, <= 3.0.17 affected
@clerk backend >= 2.0.0, <= 2.33.2 affected
>= 3.0.0, <= 3.2.13 affected
@clerk chrome-extension >= 1.3.5, <= 2.9.14 affected
>= 3.0.0, <= 3.1.14 affected
@clerk clerk-expo >= 2.2.11, <= 2.19.35 affected
@clerk clerk-react >= 5.9.0, <= 5.61.5 affected
@clerk expo >= 3.0.0, <= 3.2.1 affected
@clerk express >= 0.1.0, <= 1.7.78 affected
>= 2.0.0, <= 2.1.5 affected
@clerk fastify >= 1.0.42, <= 2.6.30 affected
>= 3.0.0, <= 3.1.15 affected
@clerk hono >= 0.0.2, <= 0.1.15 affected
@clerk nextjs >= 6.0.0, <= 6.39.2 affected
>= 7.0.0, <= 7.2.3 affected
@clerk nuxt >= 1.0.0, <= 1.13.28 affected
>= 2.0.0, <= 2.2.4 affected
@clerk react >= 6.0.0, <= 6.4.2 affected
@clerk react-router >= 0.0.1, <= 2.4.12 affected
>= 3.0.0, <= 3.1.3 affected
@clerk shared >= 3.0.0, <= 3.47.4 affected
>= 4.0.0, <= 4.8.2 affected
@clerk tanstack-react-start >= 0.0.1, <= 0.29.10 affected
>= 1.0.0, <= 1.1.3 affected
@clerk vue >= 1.0.0, <= 1.17.20 affected
>= 2.0.0, <= 2.0.15 affected
clerk javascript >= 5.22.0, < 5.125.10 affected
>= 6.0.0, < 6.7.5 affected
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一、 漏洞 CVE-2026-42349 基础信息

漏洞信息
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Vulnerability Title
Clerk: Authorization bypass when combining organization, billing, or reverification checks
来源: CVE Program / CVE List V5
Vulnerability Description
Clerk JavaScript is the official JavaScript repository for Clerk authentication. has(), auth.protect(), and related authorization predicates in @clerk/shared, @clerk/nextjs, @clerk/backend, and other framework SDKs can return true for certain combined authorization checks when the result should be false, allowing a gated action to proceed for a user who does not satisfy the full set of requested conditions. This call shape can be bypassed if certain conditions are met: a has() or auth.protect() call that combines a reverification check with any of role, permission, feature, or plan, or that combines a billing check (feature or plan) with a role or permission check. This vulnerability is fixed in @clerk/clerk-js 5.125.10 and 6.7.5.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
来源: CVE Program / CVE List V5
Vulnerability Type
对因果或异常条件的不恰当检查
来源: CVE Program / CVE List V5
Vulnerability Title
Official Clerk JavaScript SDKs 代码问题漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
Official Clerk JavaScript SDKs是Clerk开源的一个用于 Clerk 身份验证的官方 Javascript 存储库。 Official Clerk JavaScript SDKs存在代码问题漏洞，该漏洞源于has()、auth.protect()及相关授权谓词在特定组合授权检查中可能返回true，可能导致不满足全部条件的用户绕过授权检查执行受限操作。
来源: 中国国家信息安全漏洞库 CNNVD
CVSS Information
N/A
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Type
N/A
来源: 中国国家信息安全漏洞库 CNNVD

受影响产品

厂商 产品 影响版本 CPE 订阅
clerk javascript >= 5.22.0, < 5.125.10 -
@clerk shared >= 3.0.0, <= 3.47.4 -
@clerk backend >= 2.0.0, <= 2.33.2 -
@clerk nextjs >= 6.0.0, <= 6.39.2 -
@clerk clerk-react >= 5.9.0, <= 5.61.5 -
@clerk react >= 6.0.0, <= 6.4.2 -
@clerk vue >= 1.0.0, <= 1.17.20 -
@clerk astro >= 2.0.0, <= 2.17.10 -
@clerk nuxt >= 1.0.0, <= 1.13.28 -
@clerk clerk-expo >= 2.2.11, <= 2.19.35 -
@clerk expo >= 3.0.0, <= 3.2.1 -
@clerk react-router >= 0.0.1, <= 2.4.12 -
@clerk tanstack-react-start >= 0.0.1, <= 0.29.10 -
@clerk chrome-extension >= 1.3.5, <= 2.9.14 -
@clerk fastify >= 1.0.42, <= 2.6.30 -
@clerk express >= 0.1.0, <= 1.7.78 -
@clerk hono >= 0.0.2, <= 0.1.15 -

二、漏洞 CVE-2026-42349 的公开POC

# POC 描述 源链接 神龙链接
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三、漏洞 CVE-2026-42349 的情报信息

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CVE-2026-42349 厂商安全公告 (1)

IV. Related Vulnerabilities

Same product: javascript
Same vendor: clerk
Same weakness: CWE-754

V. Comments for CVE-2026-42349

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