CVE-2026-100605 Flowise - Broken Access Control

Flowise 3.1.4 contains a broken access control vulnerability caused by missing route-level RBAC checks on chat message endpoints, letting attackers with low-privileged API keys read and delete chat history without required permissions.

CVSS base score 7.1 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.22% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Broken Access Control
Impact
Information Disclosure, Data Tampering
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
Published
26 September 2026
Updated
15 October 2026
Weakness
CWE-862

Vendor fix

Update to the latest version with proper RBAC enforcement on chat message endpoints.

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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