CVE-2026-110620
Formbricks before 4.9.0 Cross-Organization IDOR in Server Actions via organizationId
- State
- Published
- Severity
- 6.1 Medium
- Published
- Oct 14, 2026
- Updated
- Oct 26, 2026
- Reserved
- Oct 14, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.1 Medium | CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 6.8 Medium | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H | VulnCheck |
Weaknesses
- CWE-639 Authorization Bypass Through User-Controlled Key
Affected Products
| Product | Versions |
|---|---|
formbricksformbricks |
|
References
- https://github.com/formbricks/formbricks/issues/7326issue-tracking
- https://github.com/formbricks/formbricks/blob/4.8.7/apps/web/app/(app)/environments/%5BenvironmentId%5D/surveys/%5BsurveyId%5D/(analysis)/summary/actions.ts#L65-L95technical-description
- https://github.com/formbricks/formbricks/blob/4.8.7/apps/web/modules/organization/settings/teams/actions.ts#L33-L50technical-description
- https://github.com/formbricks/formbricks/commit/c7faa29437ea706eae411958b260bb5ad5c60e4fpatch
- Formbricks 4.9.0 Release Notesrelease-notes
- VulnCheck Advisory: Formbricks before 4.9.0 Cross-Organization IDOR in Server Actions via organizationIdthird-party-advisory
Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.