CVE-2026-41266

HIGH

Flowise: Sensitive Data Leak in public-chatbotConfig

Title source: cna
STIX 2.1

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.

References (1)

Core 1
Core References

Scores

CVSS v3 7.5
EPSS 0.0035
EPSS Percentile 26.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-200 CWE-522 CWE-862
Status published
Products (3)
flowiseai/flowise < 3.1.0
FlowiseAI/Flowise < 3.1.0
npm/flowise 0 - 3.1.0npm
Published Apr 23, 2026
Tracked Since Apr 24, 2026