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Apache OFBiz: Cross-tenant authorization bypass in mapped-domain login

5.4MediumCISA-ADP
Exploited
No known exploitation
Fix
Fixed in 24.09.08
Who is exposed
Not reported

Do first: Upgrade to a fixed version: 24.09.08.

Published
Last modified
8/100 · provisional
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

Apache OFBiz with documented multitenancy enabled has an authorization flaw that lets an attacker with a valid low-privilege account in one tenant read and write data belonging to a different tenant. The attacker reaches it by submitting their own tenant's userTenantId with their credentials to the normal Party Manager login, using a hostname mapped to the other tenant.

Written by anthropic/claude-haiku-5.5 from the sources below. Verify against them.

Read the original description

Incorrect Authorization in Apache OFBiz 24.09 before 24.09.08 on all platforms, when documented multitenancy is enabled, allows a remote authenticated attacker holding only a valid low-privilege account in one tenant to read and write data belonging to a different tenant, by submitting their own tenant's userTenantId alongside their own credentials to the normal Party Manager login against a hostname mapped to a different tenant: ContextFilter resolves the tenant from the hostname via TenantDomainName, but LoginWorker gives priority to the conflicting userTenantId request parameter and authenticates against the attacker's own tenant, so a subsequent ordinary request to the same hostname combines the hostname-mapped tenant's Entity Engine delegator with the attacker's tenant's session dispatcher, security object, and identity, letting the permission check run against the attacker's own tenant while the resulting read or write is performed against the hostname-mapped tenant's data. Users are recommended to upgrade to version 24.09.08, which fixes this issue.

cve.now Index

8Pcve.now Index 8 of 100 · methodology v3 · provisional
  • Exploitation0/40No signal
  • Exposure3/25Reachable over the network · Unknown: No advisory context yet
  • Reach?/20Unknown. No tracked technology or package matched
  • Severity5.4/10CVSS 5.4
  • No patch0/5No signal

What would change the score

  • Would score about 63 if added to CISA KEV
  • Would score about 58 if CISA's SSVC rates exploitation active
  • Would score about 27 if advisories confirm default setups are exposed

What to do

  • Upgrade to a fixed version: 24.09.08.

Timeline

  1. CVE published
  2. First seen by cve.now
  3. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: partial

  4. Record last updated

Affected versions

  • Apache Software Foundation Apache OFBiz

    fixed in 24.09.08

Evidence 1

  1. Advisory

Corrections

None so far.

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Questions about CVE-2026-84728

Is CVE-2026-84728 being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.Source: cve.now feed data

Which versions are affected by CVE-2026-84728?

Apache OFBiz: before 24.09.08.Source: cve.now feed data

How do I fix CVE-2026-84728?

Upgrade to a fixed version: 24.09.08.Source: cve.now feed data