CVE-2026-91935 Flowise - Open Redirect

Flowise < 3.1.4 contains an open redirect caused by improper validation of baseURL parameters in chat-model nodes, letting authenticated users with specific permissions redirect requests to arbitrary hosts, exploit requires chatflows:create or chatflows:update permissions.

CVSS base score 8.3 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.39% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Open Redirect
Impact
Information Disclosure
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
Published
15 September 2026
Updated
15 October 2026
Weakness
CWE-918

Vendor fix

Update to version 3.1.4 or later.

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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