CVE-2026-110620
Formbricks before 4.9.0 Cross-Organization IDOR in Server Actions via organizationId
formbricks formbricks
CVSS
6.1MediumExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.56%Chance of exploitation activity in the next 30 days, higher than 45% of CVEs. Scored 23 Oct 2026FIRST EPSS
What fixes it
- 4.9.0formbricksCVE List
A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.
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.
Text from CVE List
Affected versions 1
- formbricksaffected: all versions before 4.9.0CVE List
References 6
- github.com/formbricks/formbricks/commit/c7faa29437ea706eae411958b260bb5ad5c60e4fFixvia CVE List
- github.com/formbricks/formbricks/releases/tag/4.9.0Fixvia CVE List
- vulncheck.com/advisories/formbricks-before-4.9.0-cross-organization-idor-in-server-actions-via-organizationidAdvisoryvia CVE List
- github.com/formbricks/formbricks/issues/7326Referencevia CVE List
- github.com/formbricks/formbricks/blob/4.8.7/apps/web/app/(app)/environments/%5BenvironmentId%5D/surveys/%5BsurveyId%5D/(analysis)/summary/actions.ts#L65-L95Referencevia CVE List
- github.com/formbricks/formbricks/blob/4.8.7/apps/web/modules/organization/settings/teams/actions.ts#L33-L50Referencevia CVE List