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CVE-2026-110620— Formbricks before 4.9.0 Cross-Organization IDOR in Server Actions via organizationId

Quick assessment

Affected
formbricks formbricks
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.

Formbricks 在 4.9.0 版本之前存在一个授权绕过漏洞。该漏洞出现在诸如 resetSurveyAction 和 updateSegmentAction 等服务器操作中，这些操作未能根据提供的组织 ID 验证资源的所有权。任何组织的已认证所有者或管理员可以将自己的组织标识符与受害者的资源 ID 配对，从而删除调查问卷响应、修改分区和配额，或更改待处理的邀请。

CVSS 6.8 · Medium

Affected Version Matrix 1

VendorProduct Version RangeStatus
formbricks formbricks < 4.9.0 affected
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I. Basic Information for CVE-2026-110620

Vulnerability Information
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Vulnerability Title
Formbricks before 4.9.0 Cross-Organization IDOR in Server Actions via organizationId
Source: CVE Program / CVE List V5
Vulnerability Description
Formbricks before 4.9.0 contains an authorization bypass vulnerability in server actions like resetSurveyAction and updateSegmentAction that fail to verify resource ownership against the supplied organizationId. Authenticated owners or managers of any organization can pair their own organization identifier with victim resource IDs to delete survey responses, modify segments and quotas, or alter pending invitations.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H
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

Affected Products

Vendor Product Affected Versions CPE Subscribe
formbricks formbricks 0 ~ 4.9.0 -

II. Public POCs for CVE-2026-110620

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III. Intelligence Information for CVE-2026-110620

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Patches & Fixes for CVE-2026-110620 (1)

Other References for CVE-2026-110620 (5)

IV. Related Vulnerabilities

Same product: formbricks
Same vendor: formbricks
Same weakness: CWE-639

V. Comments for CVE-2026-110620

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