What is CVE-2026-91929?

CVE-2026-91929 is a high-severity vulnerability in Flowiseai Flowise, classified under Missing Authorization. CVSS score: 7.1/10. Published 2026-09-15.

How severe is CVE-2026-91929?

High severity. CVSS v3 base score is 7.1 out of 10.

Auth bypass in Flowiseai Flowise

CVE-2026-91929

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.

Vulnerability class: Broken Access Control

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L.

Affected products

Flowiseai Flowise

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

disclosure@vulncheck.com (vendor-advisory)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-91929?: CVE-2026-91929 is a high-severity vulnerability in Flowiseai Flowise, classified under Missing Authorization. CVSS score: 7.1/10. Published 2026-09-15.
How severe is CVE-2026-91929?: High severity. CVSS v3 base score is 7.1 out of 10.