CVE-2026-91934 Flowise - Broken Access Control

Flowise < 3.1.4 contains a file write vulnerability caused by improper validation of file paths in the SQL Database Chain node when connecting to SQLite databases, letting authenticated attackers write arbitrary files, exploit requires authentication.

CVSS base score 8.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.74% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Broken Access Control
Impact
File System Write, Remote Code Execution, Stored XSS
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
15 September 2026
Updated
15 October 2026
Weakness
CWE-22

Vendor fix

Upgrade 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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