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CVE-2026-78674— Remote Code Execution via BPMN System REST APIs in Multiple WSO2 Products Permits Arbitrary Command Execution

Quick assessment

Affected
WSO2 Enterprise Integrator (BPS profile)
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.

BPMN 系统的 REST API 未对输入参数进行充分验证，导致已认证用户可以提交精心构造的请求，从而在服务器上执行任意命令。 已认证用户可利用此漏洞，以产品运行时账户的权限执行任意命令。潜在损害的范围取决于该账户所被授予的权限。

CVSS 8.8 · High

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 2

VendorProduct Version RangeStatus
WSO2 Business Process Server ≤ 3.6.0 affected
WSO2 Enterprise Integrator (BPS profile) ≤ 6.6.0 affected
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I. Basic Information for CVE-2026-78674

Vulnerability Information
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Vulnerability Title
Remote Code Execution via BPMN System REST APIs in Multiple WSO2 Products Permits Arbitrary Command Execution
Source: CVE Program / CVE List V5
Vulnerability Description
The BPMN System REST APIs do not sufficiently validate input parameters, allowing authenticated users to submit crafted requests that can lead to the execution of arbitrary commands on the server. An authenticated user can leverage this vulnerability to execute arbitrary commands with the privileges of the product's runtime account. The scope of potential damage is contingent upon the permissions assigned to this account.
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
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
WSO2 Enterprise Integrator (BPS profile) 0 ~ 6.6.0 -
WSO2 Business Process Server 0 ~ 3.6.0 -

II. Public POCs for CVE-2026-78674

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III. Intelligence Information for CVE-2026-78674

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Other References for CVE-2026-78674 (1)

Same Patch Batch · WSO2 · 2026-10-28 · 5 CVEs total

CVE-2025-14260 8.3 HIGH Server Side Request Forgery in Multiple WSO2 Products Allows Access to Internal and Extern
CVE-2026-6647 7.4 HIGH Incomplete OAuth Token Revocation via Case Mismatch in WSO2 Identity Server Allows Continu
CVE-2026-11854 6.1 MEDIUM Cross-Site Scripting via Authentication Endpoint Error Message in Multiple WSO2 Products
CVE-2026-3583 3.1 LOW Improper Token Revocation via OAuth2 Scope Enforcement in Multiple WSO2 Products [Disrupte

IV. Related Vulnerabilities

Same vendor: WSO2
Same weakness: CWE-78