---
id: CVE-2026-111691
title: >-
  WIMOOR through commit ec86736 Authentication Bypass via Forged 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'
cvssSource: cna
cwe:
  - CWE-290
vendor: wimoor-erp
product: wimoor
affected:
  - wimoor <= ec86736beb1a3b9ca6ba0d1c48a1c415445b8dc4
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-10-16T20:51:57.554871Z'
published: '2026-10-16'
updated: '2026-10-16'
sourceUpdated: '2026-10-16T21:17:17.620Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-111691'
references:
  - url: >-
      https://hackmd.io/@hieuPenguinnn/wimoor-trusted-x-userinfo-header-tenant-bypass
  - 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
  - url: >-
      https://www.vulncheck.com/advisories/wimoor-through-commit-ec86736-authentication-bypass-via-forged-x-userinfo-header
    label: >-
      VulnCheck Advisory: WIMOOR through commit ec86736 Authentication Bypass
      via Forged X-USERINFO Header
tags:
  - cve.org
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.

## Affected

- `wimoor <= ec86736beb1a3b9ca6ba0d1c48a1c415445b8dc4`

## Remediation

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