CVE-2024-31621

HIGH NUCLEI

Flowise < 1.6.5 - Remote Code Execution via API v1 Component

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2024-31621. PoCs published by Maerifat Majeed. A Nuclei detection template is also available.

AI-analyzed exploit summary This exploit demonstrates an authentication bypass in Flowise <= 1.6.5 by exploiting case sensitivity in the URL path check. The middleware only enforces authentication for lowercase '/api/v1/' paths, allowing bypass via uppercase variations like '/API/V1'.

Description

An issue in FlowiseAI Inc Flowise v.1.6.2 and before allows a remote attacker to execute arbitrary code via a crafted script to the api/v1 component.

Exploits (1)

exploitdb WORKING POC
by Maerifat Majeed · textwebappstypescript
https://www.exploit-db.com/exploits/52001

This exploit demonstrates an authentication bypass in Flowise <= 1.6.5 by exploiting case sensitivity in the URL path check. The middleware only enforces authentication for lowercase '/api/v1/' paths, allowing bypass via uppercase variations like '/API/V1'.

Classification
Working Poc 90%
Attack Type
Auth Bypass
Complexity
Trivial
Reliability
Reliable
Target: FlowiseAI Flowise <= 1.6.5
No auth needed
Prerequisites: Access to the target Flowise instance · Network connectivity to the target
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Nuclei Templates (1)

Flowise 1.6.5 - Authentication Bypass
HIGHVERIFIEDby DhiyaneshDK
Shodan: http.favicon.hash:-2051052918

References (2)

Core 2
Core References
Exploit, Third Party Advisory, VDB Entry
https://www.exploit-db.com/exploits/52001

Scores

CVSS v3 7.6
EPSS 0.7783
EPSS Percentile 99.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-94
Status published
Products (2)
flowiseai/flowise < 1.6.5
npm/flowise 0 - 1.8.1npm
Published Apr 29, 2024
Tracked Since Feb 18, 2026