High severity · published Sep 15, 2026
CVE-2026-91934
Flowise before 3.1.4 Remote Code Execution via SQL Database Chain
8.8
CVSS
0.7%
EPSS
No
On KEV
Description
Flowise versions before 3.1.4 fail to validate file paths in the SQL Database Chain node when connecting to SQLite databases, allowing authenticated attackers to write arbitrary files. Attackers can write malicious SQLite databases to system directories or inject files into the web root to execute commands or perform stored XSS attacks.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 54% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FL
Flowise · FlowiseAI
before 3.1.4; before 3.1.4 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-91934
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-91934
github.com
https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-pwfj-wh95-7mwp
www.vulncheck.com
https://www.vulncheck.com/advisories/flowise-before-3.1.4-remote-code-execution-via-sql-database-chain
More from Flowise
10.0
CVE-2026-70478
Flowise: Unauthenticated OAuth2 token refresh endpoint returns access tokens — enables token theft for any connected service
10.0
CVE-2025-59528
Flowise has Remote Code Execution vulnerability
9.9
CVE-2026-73602
Flowise before 3.1.3 Sandbox Escape to RCE
9.9
CVE-2026-67622
Flowise 3.1.4 IDOR in OpenAI Assistants Integration
9.9
CVE-2026-56274
Flowise - Remote Code Execution via MCP Security Bypass in validateCommandFlags and validateArgsForLocalFileAccess