CVE-2026-110118
WorkFlow-Engine through 9.6.11 Missing Authorization via flowableui buttonOperation Endpoints
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.
INFO
Published Date :
Oct. 13, 2026, 5:17 p.m.
Last Modified :
Oct. 13, 2026, 5:17 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | 83251b91-4cc7-4094-a5c7-464a1b83ea10 | ||||
| CVSS 3.1 | MEDIUM | MITRE-CVE | ||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 4.0 | HIGH | 83251b91-4cc7-4094-a5c7-464a1b83ea10 | ||||
| CVSS 4.0 | HIGH | [email protected] |
Solution
- Update WorkFlow-Engine to version 9.6.11 or later.
- Apply vendor patches for authorization flaws.
- Restrict access to workflow task endpoints.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-110118.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-110118 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-110118
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-110118 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-110118 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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New CVE Received by [email protected]
Oct. 13, 2026
Action Type Old Value New Value Added 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. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N Added CWE CWE-639 Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/110xxx/CVE-2026-110118.json">CVE-2026-110118</a> Added Reference https://github.com/risesoft-y9/WorkFlow-Engine/blob/v9.6.11/y9-module-flowableui/risenet-y9boot-support-flowableui/src/main/java/net/risesoft/controller/buttonOperation/ButtonOperationRestController.java#L1035-L1054 Added Reference https://github.com/risesoft-y9/WorkFlow-Engine/blob/v9.6.11/y9-module-flowableui/risenet-y9boot-support-flowableui/src/main/java/net/risesoft/controller/buttonOperation/ButtonOperationRestController.java#L216-L252 Added Reference https://github.com/risesoft-y9/WorkFlow-Engine/blob/v9.6.11/y9-module-processadmin/risenet-y9boot-support-processadmin/src/main/java/net/risesoft/service/impl/CustomTaskServiceImpl.java#L76-L79 Added Reference https://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/workflow-engine-task-op-missing-authz Added Reference https://www.vulncheck.com/advisories/workflow-engine-through-9.6.11-missing-authorization-via-flowableui-buttonoperation-endpoints