CVE-2026-91935
Flowise before 3.1.4 SSRF and API Key Exfiltration via Chat Model Nodes
- State
- Published
- Severity
- 8.7 High
- Published
- Sep 15, 2026
- Updated
- Sep 20, 2026
- Reserved
- Sep 15, 2026
Description
Flowise before 3.1.4 fails to validate baseURL parameters in chat-model nodes, allowing authenticated users to redirect requests to arbitrary hosts. Attackers with chatflows:create or chatflows:update permissions can exfiltrate LLM provider API keys by redirecting requests to cloud metadata services or internal hosts.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.7 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 8.3 High | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L | VulnCheck |
Weaknesses
- CWE-918 Server-Side Request Forgery (SSRF)
Affected Products
| Product | Versions |
|---|---|
FlowiseFlowiseAI |
|
FlowiseFlowiseAI |
|
References
- GitHub Security Advisory (GHSA-hx55-h48h-7rw9)vendor-advisory
- VulnCheck Advisory: Flowise before 3.1.4 SSRF and API Key Exfiltration via Chat Model Nodesthird-party-advisory
Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.