FlowiseAI - Arbitrary File Upload (CVE-2025-26319)
Description
FlowiseAI Flowise v2.2.6 was discovered to contain an arbitrary file upload vulnerability in /api/v1/attachments.
psychologyCrowdSec Analysis
CVE-2025-26319 is a critical vulnerability in FlowiseAI Flowise that permits arbitrary file upload via a vulnerable attachments API endpoint, which can be abused to potentially achieve remote code execution.
CrowdSec has been tracking this vulnerability and its exploits since 28th of May 2025.
Insights from the CrowdSec network reveal that the attackers trying to exploit CVE-2025-26319 are composed of a fairly even mix of opportunistic and targeted actors. Some attackers employ preliminary reconnaissance, while others use indiscriminate scanning. CrowdSec data also reveals a clear uptick in attacks involving CVE-2025-26319 over the past week. Activity is above the usual baseline, suggesting growing attention from attackers. This may reflect rising awareness, recent exploit releases, or expanded targeting efforts.
Exploitation attempts are typically identifiable through requests to URLs containing /api/v1/attachments/ alongside path traversal sequences.
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| Event | Date |
|---|---|
| CVE Published | 2025-03-04 |
| Rule Released | 2025-05-28 |
| CrowdSec First Seen | 2025-05-29 |