CVE-2026-12821

LOW EPSS 25.9%
Published Jun 22, 20261w ago · Modified Jun 22, 20261w ago
2.1 CVSS 4.0
Low
Find Similar
Published Jun 22, 2026 1w ago
Last Modified Jun 22, 2026 1w ago

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.

CVSS Details

Base Score
2.1
Exploitability
—
Impact
—
Vector string
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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
25.9% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-22 Path Traversal Resource Mgmt

References 5

  • github.com https://github.com/dxz0069/softwareoverflow/blob/main/flowise_s3_loader_object_key_path_traversal_vulndb.md
  • vuldb.com https://vuldb.com/cve/CVE-2026-12821
  • vuldb.com https://vuldb.com/submit/837578
  • vuldb.com https://vuldb.com/vuln/372611
  • vuldb.com https://vuldb.com/vuln/372611/cti

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.