Public vulnerability disclosure

CVE-2026-74841

Apache OFBiz: Denial of Service via unauthenticated userTenantId in multitenant mode

publishedCWE-400CWE-770

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.

Technical severityUnscoredNo score in collected sources
Published2026-11-05Source updated 2026-11-06
Collected2026-11-072 attributed sources

Fixes and workarounds

No remediation reported in collected sources.

Missing remediation information is not evidence that no patch exists.

Affected products and versions

Affected products, source version ranges and reporting authorities
ProductVersionsAuthority
Apache OFBiz
Apache Software Foundation
≥ 0; < 24.09.08 (affected, semver)
Other versions: unaffected
CNA: apache

Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.

CVSS assessments

No CVSS assessment reported. An unscored record is not a low-severity determination.

Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

References

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