Vulnerability · Published Sep 15, 2026 · Assigned by VulnCheck
CVE-2026-91929Flowise before 3.1.4 Cross-Tenant Authorization Bypass
High 7.1
In plain English
A high-severity missing authorization in Flowise from FlowiseAI. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 29% of all known vulnerabilities).
Severity (CVSS 3.1)7.1High
Exploit odds (30 days)0.4%top 71.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L
References
- GitHub Security Advisory (GHSA-7x8x-vv46-4579) vendor-advisory
- VulnCheck Advisory: Flowise before 3.1.4 Cross-Tenant Authorization Bypass third-party-advisory