---
id: CVE-2026-110620
title: >-
  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
summary: >-
  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 m…
severity: medium
cvss: 6.8
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H'
cwe:
  - CWE-639
published: '2026-10-14'
updated: '2026-10-14'
sourceUpdated: '2026-10-14T15:17:14.357'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-110620'
references:
  - url: >-
      https://github.com/formbricks/formbricks/blob/4.8.7/apps/web/app/(app)/environments/%5BenvironmentId%5D/surveys/%5BsurveyId%5D/(analysis)/summary/actions.ts#L65-L95
    label: disclosure@vulncheck.com
  - url: >-
      https://github.com/formbricks/formbricks/blob/4.8.7/apps/web/modules/organization/settings/teams/actions.ts#L33-L50
    label: disclosure@vulncheck.com
  - url: >-
      https://github.com/formbricks/formbricks/commit/c7faa29437ea706eae411958b260bb5ad5c60e4f
    label: disclosure@vulncheck.com
  - url: 'https://github.com/formbricks/formbricks/issues/7326'
    label: disclosure@vulncheck.com
  - url: 'https://github.com/formbricks/formbricks/releases/tag/4.9.0'
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/formbricks-before-4.9.0-cross-organization-idor-in-server-actions-via-organizationid
    label: disclosure@vulncheck.com
tags:
  - nvd
ingestedAt: '2026-10-14T15:36:14.008Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.