Flowise: Sensitive Data Leak in public-chatbotConfig_CVE-2026-41266

7.7 / 10

HIGH

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N

Description

Flowise is a drag & drop user interface to build a customized large language model flow. Prior to 3.1.0, /api/v1/public-chatbotConfig/:id ep exposes sensitive data including API keys, HTTP authorization headers and internal configuration without any authentication. An attacker with knowledge just of a chatflow UUID can retrieve credentials stored in password type fields and HTTP headers, leading to credential theft and more. This vulnerability is fixed in 3.1.0.

Basic Information

ID CVE-2026-41266

Source GitHub_M

Published Apr 23, 2026 at 19:11

Affected Product

Vendor FlowiseAI

Product Flowise

Version < 3.1.0

Affected Versions FlowiseAI Flowise < 3.1.0

CWE Classification

CWE-200 CWE-522 CWE-862

References

github.com /FlowiseAI/Flowise/security/advisories/GHSA-4jpm-cgx2-8h37

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    "published": "2026-04-23T19:11:32.549Z",
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