---
id: CVE-2026-51860
title: >-
  bisheng 2.3.0, 2.4.0, and 2.4.0-beta1 is vulnerable to Directory Traversal in
  src/backend/bisheng/linsight/domain/task_exec.py.
summary: >-
  bisheng 2.3.0, 2.4.0, and 2.4.0-beta1 is vulnerable to Directory Traversal in
  src/backend/bisheng/linsight/domain/task_exec.py.
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'
cwe:
  - CWE-22
published: '2026-09-30'
updated: '2026-10-01'
sourceUpdated: '2026-10-01T17:17:25.910'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-51860'
references:
  - url: 'https://gist.github.com/Ro1ME/e4129afdd9af2ff1bdcecf27ec5098cf'
    label: cve@mitre.org
  - url: 'https://github.com/dataelement/bisheng/issues/1994'
    label: cve@mitre.org
  - url: 'https://gist.github.com/Ro1ME/e4129afdd9af2ff1bdcecf27ec5098cf'
    label: 134c704f-9b21-4f2e-91b3-4a467353bcc0
tags:
  - nvd
  - cve.org
  - exploit-available
exploitAvailable: true
ssvc:
  exploitation: poc
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-10-01T16:06:46.711978Z'
epss: 0.00702
epssPercentile: 0.53378
ingestedAt: '2026-09-30T21:25:07.843Z'
---

## Overview

bisheng 2.3.0, 2.4.0, and 2.4.0-beta1 is vulnerable to Directory Traversal in src/backend/bisheng/linsight/domain/task_exec.py.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.