---
id: CVE-2026-111691
title: >-
  WIMOOR through commit ec86736 contains an authentication bypass vulnerability
  that allows attackers to impersonate any tenant and privilege level by sending
  an unsigned X-USERINFO header
summary: >-
  WIMOOR through commit ec86736 contains an authentication bypass vulnerability
  that allows attackers to impersonate any tenant and privilege level by sending
  an unsigned X-USERINFO header. Attackers reaching backend service ports
  directly…
severity: high
cvss: 7.4
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N'
cwe:
  - CWE-290
vendor: wimoor-erp
product: wimoor
affected:
  - wimoor <= ec86736beb1a3b9ca6ba0d1c48a1c415445b8dc4
published: '2026-10-16'
updated: '2026-10-16'
sourceUpdated: '2026-10-16T22:17:22.613'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-111691'
references:
  - url: >-
      https://github.com/wimoor-erp/wimoor/blob/ec86736beb1a3b9ca6ba0d1c48a1c415445b8dc4/wimoor-common/common-mvc/src/main/java/com/wimoor/common/mvc/filter/UserInfoFilter.java#L42-L51
    label: disclosure@vulncheck.com
  - url: >-
      https://hackmd.io/@hieuPenguinnn/wimoor-trusted-x-userinfo-header-tenant-bypass
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/wimoor-through-commit-ec86736-authentication-bypass-via-forged-x-userinfo-header
    label: disclosure@vulncheck.com
tags:
  - nvd
  - cve.org
epss: 0.00409
epssPercentile: 0.35
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-10-16T20:51:57.554871Z'
ingestedAt: '2026-10-16T18:43:08.655Z'
---

## Overview

WIMOOR through commit ec86736 contains an authentication bypass vulnerability that allows attackers to impersonate any tenant and privilege level by sending an unsigned X-USERINFO header. Attackers reaching backend service ports directly, bypassing the gateway, can forge companyid and manager or admin usertype values to read and modify other tenants' orders, finance data, and Amazon seller authorizations.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.