CVE-2026-6596

MEDIUM EPSS 20.1%
Published Apr 20, 20262mo ago · Modified Jun 17, 20261w ago
5.5 CVSS 4.0
Medium
Find Similar
Published Apr 20, 2026 2mo ago
Last Modified Jun 17, 2026 1w ago

Description

A security flaw has been discovered in langflow-ai langflow up to 1.1.0. This issue affects the function create_upload_file of the file src/backend/base/Langflow/api/v1/endpoints.py of the component API Endpoint. The manipulation results in unrestricted upload. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS Details

Base Score
5.5
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/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 None
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
20.1% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 2

CWE-284
CWE-434 Unrestricted Upload of File with Dangerous Type Resource Mgmt

References 4

  • gist.github.com https://gist.github.com/chenhouser2025/c2aabfdee41009cfe45d28a9924742a0
  • vuldb.com https://vuldb.com/submit/791919
  • vuldb.com https://vuldb.com/vuln/358231
  • vuldb.com https://vuldb.com/vuln/358231/cti

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.