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CVE-2026-82278— BISHENG Authenticated Arbitrary Python Code Execution via Workflow run_once

Quick assessment

Affected
dataelement bisheng
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

DataElem BISHENG是DataElem组织的一个数据元素管理平台。 DataElem BISHENG 2.6.0之前版本存在代码注入漏洞，该漏洞源于workflow run_once端点使用exec()执行未经过沙箱处理的特制Code节点定义，可能导致经过身份验证的攻击者执行任意Python代码，获取文件系统、凭据和内部网络资源的访问权限。

CVSS 8.8 · High EPSS 0.74% · P54

Affected Version Matrix 1

VendorProduct Version RangeStatus
dataelement bisheng < 2.6.0 affected
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I. Basic Information for CVE-2026-82278

Vulnerability Information
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Vulnerability Title
BISHENG Authenticated Arbitrary Python Code Execution via Workflow run_once
Source: CVE Program / CVE List V5
Vulnerability Description
BISHENG before 2.6.0 contains a remote code execution vulnerability in the workflow run_once endpoint that allows authenticated users to execute arbitrary Python code. Attackers can submit crafted Code node definitions to the POST /api/v1/workflow/run_once endpoint, which executes them with exec() without sandboxing, gaining access to filesystem, credentials, and internal network resources.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对生成代码的控制不恰当(代码注入)
Source: CVE Program / CVE List V5
Vulnerability Title
DataElem BISHENG 代码注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
DataElem BISHENG是DataElem组织的一个数据元素管理平台。 DataElem BISHENG 2.6.0之前版本存在代码注入漏洞，该漏洞源于workflow run_once端点使用exec()执行未经过沙箱处理的特制Code节点定义，可能导致经过身份验证的攻击者执行任意Python代码，获取文件系统、凭据和内部网络资源的访问权限。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
dataelement bisheng 0 ~ 2.6.0 -

II. Public POCs for CVE-2026-82278

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III. Intelligence Information for CVE-2026-82278

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Vendor Advisories for CVE-2026-82278 (1)

Proof of Concept for CVE-2026-82278 (1)

Security Blog Posts for CVE-2026-82278 (1)

Vendor Pages for CVE-2026-82278 (1)

IV. Related Vulnerabilities

Same product: bisheng
Same vendor: dataelement
Same weakness: CWE-94

V. Comments for CVE-2026-82278

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