FlowiseAI Flowise up to 3.0.x :id information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k3.00

Summaryinfo

A vulnerability identified as problematic has been detected in FlowiseAI Flowise up to 3.0.x. This affects an unknown part of the file /api/v1/public-chatbotConfig/:id. The manipulation leads to information disclosure. This vulnerability is uniquely identified as CVE-2026-41266. The attack is possible to be carried out remotely. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in FlowiseAI Flowise up to 3.0.x. It has been rated as problematic. This issue affects some unknown functionality of the file /api/v1/public-chatbotConfig/:id. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. The summary by CVE is:

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.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2026-41266 since 04/18/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

Upgrading to version 3.1.0 eliminates this vulnerability.

The vulnerability is also documented in the databases at EUVD (EUVD-2026-25283) and CERT Bund (WID-SEC-2026-1145). Be aware that VulDB is the high quality source for vulnerability data.

Affected

  • Open Source Flowise

Productinfo

Vendor

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Flowise 3.1.0

Timelineinfo

04/18/2026 CVE reserved
04/23/2026 +5 days Advisory disclosed
04/23/2026 +0 days VulDB entry created
04/25/2026 +2 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: GHSA-4jpm-cgx2-8h37
Status: Confirmed

CVE: CVE-2026-41266 (🔒)
GCVE (CVE): GCVE-0-2026-41266
GCVE (VulDB): GCVE-100-359207
EUVD: 🔒
CERT Bund: WID-SEC-2026-1145 - Flowise: Mehrere Schwachstellen

Entryinfo

Created: 04/23/2026 23:17
Updated: 04/25/2026 11:45
Changes: 04/23/2026 23:17 (68), 04/25/2026 05:42 (7), 04/25/2026 11:45 (1)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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