CVE-2026-12821CWE-22

FlowiseAI Flowise S3 Document Loader S3.ts path traversal

Medium · published June 21, 2026

CVSS v4.0
5.3
EPSS
0%
Percentile
41.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
5.3 · MEDIUM
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
EPSS
0.00494 · 41.5th percentile
Weakness
CWE-22 · Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Published
2026-06-21T23:15Z
EPSS history
Timeline
  • 21 JUN 23:15Z
    FlowiseAI Flowise S3 Document Loader S3.ts path traversal
    cvelistv5