---
id: CVE-2026-74841
title: >-
  Apache OFBiz: Denial of Service via unauthenticated userTenantId in
  multitenant mode
summary: >-
  In multitenant deployments, ContextFilter and LoginWorker built a per-tenant
  delegator name from a request-supplied userTenantId parameter and requested a
  delegator for it before confirming the tenant existed. DelegatorFactory's
  internal…
severity: none
cwe:
  - CWE-400
  - CWE-770
vendor: Apache Software Foundation
product: Apache OFBiz
affected:
  - apache_ofbiz < 24.09.08
published: '2026-11-05'
updated: '2026-11-05'
sourceUpdated: '2026-11-05T14:09:41.978Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-74841'
references:
  - url: 'https://lists.apache.org/thread.html/7b2syzksp7klt9fvhdg0olldvs2g83lz'
tags:
  - cve.org
ingestedAt: '2026-11-05T21:36:00.867Z'
---

## Overview

In multitenant deployments, ContextFilter and LoginWorker built a per-tenant delegator name from a request-supplied userTenantId parameter and requested a delegator for it before confirming the tenant existed. DelegatorFactory's internal cache retains every delegator name it is asked to resolve, including ones that fail to resolve, so an unauthenticated attacker could submit a stream of arbitrary tenant IDs to grow this cache without bound, driving unnecessary memory and database load.

## Affected

- `apache_ofbiz < 24.09.08`

## Remediation

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