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CVE-2026-91935

Flowise before 3.1.4 SSRF and API Key Exfiltration via Chat Model Nodes

CVSS 3.1 8.3 HIGHCVSS 4.0 8.7 HIGHCheck source for fixed versionsKEV status unknown
Original advisory

cve-program · CVE-2026-91935

Published

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.

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Affected versions, risk and source history

Exploitation and risk

Source status

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cve-program · CVE-2026-91935

Published

Flowise before 3.1.4 SSRF and API Key Exfiltration via Chat Model Nodes

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.

Source published
15 Sep 2026 15:17:58 UTC
Source modified
20 Sep 2026 00:35:29 UTC
Saved here
23 Oct 2026 15:48:27 UTC
Source terms
CVE Program Terms of Use

Original source record · Cite this exact observation · Complete original publisher JSON

Source: cve-program · CVE Program Terms of Use. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.

CVSS 3.1 · 8.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L

CVSS 4.0 · 8.7 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

ChangeIntel

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Sources read 13 Nov 01:58 UTC · 274 of 275 readable · 272 fully read · documentation 469/469 current

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