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THREAT OPS › Threat News › [NVD] CVE-2026-91935 (HIGH 8.3) — 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 clo

[NVD] CVE-2026-91935 (HIGH 8.3) — 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 clo

mednvdPublished 2026-09-15

CVE-2026-91935 CVSS: 8.3 HIGH Published: 2026-09-15T16:17:44.867

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.

Indicators of compromise

CVE-2026-91935cve

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-91935