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CVE-2026-110118— WorkFlow-Engine through 9.6.11 Missing Authorization via flowableui buttonOperation Endpoints

Quick assessment

Affected
risesoft-y9 WorkFlow-Engine
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.

WorkFlow-Engine 9.6.11 及更早版本存在一个缺失授权验证的安全漏洞，该漏洞允许已认证的用户通过 接口完成或重新分配其他用户的流程任务。低权限攻击者可以通过向 、 或 接口提供一个已知的任务 ID（taskId），从而在未经授权的情况下审批任务或将其重新分配给其他用户。

CVSS 6.5 · Medium EPSS 0.28% · P19

Possible ATT&CK Techniques 1 AI

T1548.002 · Bypass User Account Control

Affected Version Matrix 1

VendorProduct Version RangeStatus
risesoft-y9 WorkFlow-Engine ≤ 9.6.11 affected
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I. Basic Information for CVE-2026-110118

Vulnerability Information
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Vulnerability Title
WorkFlow-Engine through 9.6.11 Missing Authorization via flowableui buttonOperation Endpoints
Source: CVE Program / CVE List V5
Vulnerability Description
WorkFlow-Engine through 9.6.11 contains a missing authorization vulnerability that allows authenticated users to complete or reassign other users' workflow tasks via /vue/buttonOperation endpoints. Low-privileged attackers can supply a known taskId to the complete, completeTask or reAssign handlers to approve tasks or reassign them without authority.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
risesoft-y9 WorkFlow-Engine 0 ~ 9.6.11 -

II. Public POCs for CVE-2026-110118

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III. Intelligence Information for CVE-2026-110118

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Vendor Advisories for CVE-2026-110118 (2)

Same Patch Batch · risesoft-y9 · 2026-10-13 · 3 CVEs total

CVE-2026-110116 9.1 CRITICAL Digital-Infrastructure 9.6.5 through 9.6.11 Path Traversal via fileManager storeFile
CVE-2026-110115 7.5 HIGH Digital-Infrastructure 9.6.5 through 9.6.11 Path Traversal via fileManager retrieveFileStr

IV. Related Vulnerabilities

Same product: WorkFlow-Engine
Same vendor: risesoft-y9
Same weakness: CWE-639

V. Comments for CVE-2026-110118

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