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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.

PUBLISHED Reserved 2026-04-18 | Published 2026-04-23 | Updated 2026-04-25 | Assigner GitHub_M




HIGH: 7.7CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N

Problem types

CWE-200: Exposure of Sensitive Information to an Unauthorized Actor

CWE-522: Insufficiently Protected Credentials

CWE-862: Missing Authorization

Product status

< 3.1.0
affected

References

github.com/...lowise/security/advisories/GHSA-4jpm-cgx2-8h37 exploit

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

cve.org (CVE-2026-41266)

nvd.nist.gov (CVE-2026-41266)

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