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.

Scoring

Severity
HIGH
CVSS base score
7.6
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N
EPSS probability
0.33%
CWE
CWE-862
Published
2026-09-15
Last modified
2026-09-15

Affected products

Weakness type

Related vulnerabilities

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