CVE-2026-91929 Details
Description
Flowise versions before 3.1.4 contain cross-tenant authorization gaps in Enterprise endpoints that fail to verify resource ownership before operations. Attackers with Enterprise access can delete arbitrary workspaces, invite themselves into other organizations, modify cross-org roles, and abuse stored SSO secrets.
A cross-tenant authorization bypass vulnerability has been identified in Flowise versions prior to 3.1.4. This vulnerability exists in Enterprise endpoints that do not properly verify resource ownership before allowing operations. As a result, attackers with Enterprise access can exploit this flaw to delete arbitrary workspaces, invite themselves into other organizations, modify roles across organizations, and misuse stored Single Sign-On (SSO) secrets.
Users are advised to update Flowise to version 3.1.4 or later, where this vulnerability has been patched.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Sep 15, 2026CISA-ADP
Assessed Sep 15, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-7x8x-vv46-4579 | [email protected] | AdvisoryTechnical AnalysisVendor |
| https://www.vulncheck.com/advisories/flowise-before-3.1.4-cross-tenant-authorization-bypass | [email protected] | AdvisoryVendor |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-862 | Missing Authorization | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| Flowise | <= 3.1.3 (semver) |
CPE
Remediation
| |
Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Sep 15, 2026 | New CVE Received | [email protected] |
| Sep 15, 2026 | CVE Modified | CISA-ADP |