CVE-2026-110118CWE-639

CVE-2026-110118

Medium · published October 13, 2026

CVSS v3.1
6.5
EPSS
0%
Percentile
19.1
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
CVSS v4.0
7.1 · CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
EPSS
0.00277 · 19.1th percentile
Weakness
CWE-639 · Authorization Bypass Through User-Controlled Key
Published
2026-10-13T21:17Z
References (5)
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 · [email protected]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 · [email protected]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 · [email protected]https://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/workflow-engine-task-op-missing-authz · [email protected]https://www.vulncheck.com/advisories/workflow-engine-through-9.6.11-missing-authorization-via-flowableui-buttonoperation-endpoints · [email protected]
EPSS history
Timeline
  • 15 OCT 03:28Z
    EPSS moved — → 0%
    epss
  • 13 OCT 16:53Z
    WorkFlow-Engine through 9.6.11 Missing Authorization via flowableui buttonOperation Endpoints
    cvelistv5
  • 13 OCT 16:53Z
    WorkFlow-Engine through 9.6.11 Missing Authorization via flowableui buttonOperation Endpoints
    cvelistv5