0.0
NA
CVE-2026-12821
FlowiseAI Flowise S3 Document Loader S3.ts path traversal
Description

A vulnerability was determined in FlowiseAI Flowise up to 3.1.2. The impacted element is an unknown function of the file packages/components/nodes/documentloaders/S3/S3.ts of the component S3 Document Loader. Executing a manipulation can lead to path traversal. It is possible to launch the attack remotely. The vendor was contacted early about this disclosure but did not respond in any way.

INFO

Published Date :

June 21, 2026, 11:15 p.m.

Last Modified :

June 21, 2026, 11:15 p.m.

Remotely Exploit :

No

Source :

VulDB
Affected Products

The following products are affected by CVE-2026-12821 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Flowiseai flowise
Solution
Update FlowiseAI to a version later than 3.1.2 to fix the path traversal vulnerability.
  • Update FlowiseAI to a patched version.
  • Apply vendor security updates when available.
  • Review S3 Document Loader configurations.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-12821 vulnerability anywhere in the article.

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.