p PatchFirst

CVE-2026-6596

CVE-2026-6596 · langflow-ai langflow API Endpoint endpoints.py create_upload_file unrestricted upload

This page contains facts from public vulnerability sources. Check the original advisory before updating.

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 6.9 · Medium · EPSS 0.5% · Fix available

Published
Updated

Stack: python

Affected products and versions

  • langflow

    Versions
    • 1.0: Affected
    • 1.1.0: Affected

    No fix published

  • langflow-base PyPI

    Versions
    • 0.0.13
    • 0.0.14
    • 0.0.15
    • 0.0.16
    • 0.0.17
    • 0.0.18
    • 0.0.19
    • 0.0.20
    • 0.0.21
    • 0.0.22
    • 0.0.23
    • 0.0.24
    • 0.0.25
    • 0.0.26
    • 0.0.27
    • 0.0.28
    • 0.0.29
    • 0.0.30
    • 0.0.31
    • 0.0.32
    • 0.0.33
    • 0.0.34
    • 0.0.35
    • 0.0.36
    • 0.0.37
    • 0.0.38
    • 0.0.39
    • 0.0.40
    • 0.0.41
    • 0.0.42
    • 0.0.43
    • 0.0.44
    • 0.0.45
    • 0.0.46
    • 0.0.47
    • 0.0.48
    • 0.0.49
    • 0.0.50
    • 0.0.51
    • 0.0.52
    • 0.0.53
    • 0.0.54
    • 0.0.55
    • 0.0.56
    • 0.0.57
    • 0.0.58
    • 0.0.59
    • 0.0.60
    • 0.0.61
    • 0.0.62
    • 0.0.63
    • 0.0.64
    • 0.0.66
    • 0.0.67
    • 0.0.68
    • 0.0.69
    • 0.0.70
    • 0.0.71
    • 0.0.72
    • 0.0.73
    • 0.0.74
    • 0.0.75
    • 0.0.76
    • 0.0.77
    • 0.0.78
    • 0.0.79
    • 0.0.80
    • 0.0.81
    • 0.0.82
    • 0.0.83
    • 0.0.84
    • 0.0.85
    • 0.0.86
    • 0.0.87
    • 0.0.88
    • 0.0.89
    • 0.0.90
    • 0.0.91
    • 0.0.92
    • 0.0.93
    • 0.0.94
    • 0.0.95
    • 0.0.96
    • 0.0.97
    • 0.0.98
    • 0.0.99
    • 0.1.0
    • 0.1.1
    • 0.1.2
    • 0.1.3
    • 0.1.4
    • 0.1.4.post1
    • 0.2.0
    • 0.3.0
    • 0.3.1
    • 0.3.2
    • 0.3.3
    • 0.3.4
    • 0.4.0
    • 0.4.1
    • 0.4.2
    • 0.4.3
    • 0.5.0
    • 0.5.0.post1
    • 0.5.0.post2
    • 0.5.1
    • 0.6.0
    • 0.6.1
    • 0.6.2
    • 0.6.3
    • 0.6.4
    • 0.6.5
    • 0.6.6
    • 0.6.7
    • 0.6.8
    • 0.6.9
    • 0.7.0
    • 0.7.1
    • 0.7.2
    • 0.7.3
    • 0.8.0
    • 0.8.0rc0
    • 0.8.0rc1
    • 0.8.0rc2
    • 0.8.0rc3
    • 0.8.0rc4
    • 0.8.0rc5
    • 0.8.0rc6
    • 0.8.1
    • 0.8.2
    • 0.8.3
    • 0.8.3rc0
    • 0.8.4
    • 0.9.0
    Affected ranges
    • ECOSYSTEM: < 0.9.1

    Update to 0.9.1

Original sources

Check your server →