CVE-2026-91935
8.3
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| FlowiseAI | Flowise | 0 < 3.1.4 | affected |
| FlowiseAI | Flowise | 3.1.4 | unaffected |
| FlowiseAI | Flowise | 0 < 3.1.4 | affected |
| FlowiseAI | Flowise | 3.1.4 | unaffected |
Weaknesses
- CWE-918: Server-Side Request Forgery (SSRF)
References
- https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-hx55-h48h-7rw9
- https://www.vulncheck.com/advisories/flowise-before-3.1.4-ssrf-and-api-key-exfiltration-via-chat-model-nodes
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