CVE-2026-100607 Flowise - Authentication Bypass

Flowise through 3.1.4 contains a broken authentication caused by resolving SSO and local-password users solely by email without storing provider or subject identifier bindings, letting attackers authenticate as any user by claiming their email at any configured SSO provider, exploit requires no special privileges.

CVSS base score 7.7 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.29% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Authentication Bypass
Impact
Broken Authentication
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L
Published
26 September 2026
Updated
15 October 2026
Weakness
CWE-287

Vendor fix

Update to the latest version beyond 3.1.4.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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