Medium [CVE-2026-84728] 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
This medium-severity Apache Software Foundation advisory covers CVE-2026-84728 affecting Apache OFBiz.
Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.
VulniPulse record published Record updated
Summary
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 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.
Is CVE-2026-84728 exploited?
No exploitation is reported in the sources VulniPulse tracks: CVE-2026-84728 is not in the CISA KEV catalog (checked ) and this advisory does not report exploitation. That is not proof the vulnerability cannot be exploited.
How do I fix CVE-2026-84728?
Upgrade to a fixed release named by Apache:
- 24.09.08
Confirm against the vendor advisory before you patch.
- Apache OFBiz before 24.09.08
Official advisory · high-confidence parse· fetched 3 days ago·verify at source
- 24.09.08
Official advisory · high-confidence parse· fetched 3 days ago·verify at source
Mitigation checklist
- Users are recommended to upgrade to version 24.09.08, which fixes this issue.
Official advisory · high-confidence parse· fetched 3 days ago·verify at source
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