{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "9.6.11"
              },
              {
                "fixed": "9.6.11"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "DESCRIPTION"
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "dce67b2cee4733fda2cb414f3f97a8b798496dea"
            }
          ],
          "repo": "https://github.com/risesoft-y9/workflow-engine",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-639"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/110xxx/CVE-2026-110118.json"
  },
  "details": "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.",
  "id": "CVE-2026-110118",
  "modified": "2026-10-15T02:30:59.958940326Z",
  "published": "2026-10-13T16:53:15.337Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/110xxx/CVE-2026-110118.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/workflow-engine-task-op-missing-authz"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-110118"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/workflow-engine-through-9.6.11-missing-authorization-via-flowableui-buttonoperation-endpoints"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/risesoft-y9/WorkFlow-Engine"
    },
    {
      "type": "ARTICLE",
      "url": "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"
    },
    {
      "type": "ARTICLE",
      "url": "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"
    },
    {
      "type": "ARTICLE",
      "url": "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"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "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",
      "type": "CVSS_V4"
    }
  ],
  "summary": "WorkFlow-Engine through 9.6.11 Missing Authorization via flowableui buttonOperation Endpoints"
}