Flowise - Authentication Bypass (CVE-2024-8181)
Description
An Authentication Bypass vulnerability exists in Flowise version 1.8.2. This could allow a remote, unauthenticated attacker to access API endpoints as an administrator and allow them to access restricted functionality.
psychologyCrowdSec Analysis
CVE-2024-8181 is a critical authentication bypass vulnerability in Flowise version 1.8.2, allowing remote, unauthenticated attackers to access API endpoints with administrator privileges. Exploiting this flaw could enable attackers to gain unauthorized access to restricted functionality, potentially compromising sensitive data and system integrity.
CrowdSec has been tracking this vulnerability and its exploits since 15th of May 2026.
Insights from the CrowdSec network reveal that the attackers trying to exploit CVE-2024-8181 are composed of a fairly even mix of opportunistic and targeted actors. Some attackers employ preliminary reconnaissance, while others use indiscriminate scanning. In addition, according to the CrowdSec network, attack volume against CVE-2024-8181 has dipped slightly compared to the previous week. Although still commonly targeted, the decline suggests a cooling-off period. Long-term relevance remains, but attention is waning.
Attackers exploit this vulnerability by sending unauthenticated requests to endpoints such as /api/v1/apikey with crafted query strings, allowing them to bypass authentication and access sensitive administrative API functionality.
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| Event | Date |
|---|---|
| CVE Published | 2024-08-27 |
| Rule Released | 2026-05-15 |
| CrowdSec First Seen | 2026-05-22 |