CVE-2026-51859: Bisheng vulnerability

Published Sep 30, 2026

Updated

bisheng 2.3.0, 2.4.0, and 2.4.0-beta1 is vulnerable to directory traversal in savedownloadfile (src/backend/bisheng/core/cache/utils.py:290).

Affected Software

1 affected component

Bisheng=2.3.0, =2.4.0, =2.4.0-beta1

Event History

Sep 30, 2026

CVE Published

via MITRE·12:00 AM

Data Sourced

via MITRE·12:00 AM

Description

Data Sourced

via NVD·09:17 PM

Description

Frequently Asked Questions

Which releases are affected?

Bisheng 2.3.0, 2.4.0-beta1, and 2.4.0 are identified as vulnerable.

Where is the vulnerable code located?

The directory traversal issue is in the save_download_file function at src/backend/bisheng/core/cache/utils.py, line 290.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co

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