CVE-2026-110620
Formbricks before 4.9.0 contains an authorization bypass vulnerability in server actions like…
- Risk score
- 50/100
- CVSS
- 6.8 v3.1
- Exploit chance (30 days)
- 0.6%
- Published
- 14 Oct 2026
Open in the live forecast Today's forecast
What to know
- What it is
- 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…
- Affected
- See advisory
- Fix
- Upgrade the product to 4.9.0 or later.
- Exploitation
- No known exploitation
Why it is Yellow
- CVSS 6.8 medium
References
- 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
- https://github.com/formbricks/formbricks/blob/4.8.7/apps/web/modules/organization/settings/teams/actions.ts#L33-L50
- https://github.com/formbricks/formbricks/commit/c7faa29437ea706eae411958b260bb5ad5c60e4f
- https://github.com/formbricks/formbricks/issues/7326
- https://github.com/formbricks/formbricks/releases/tag/4.9.0
- https://www.vulncheck.com/advisories/formbricks-before-4.9.0-cross-organization-idor-in-server-actions-via-organizationid
Original 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.
Last activity 14 Oct 2026. Patch Forecast updates every hour.