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Description

ZITADEL is an open source identity management platform. Prior to 4.15.1, ZITADEL's event store validation can retain the original resource owner for a deleted user identifier, causing a later user recreated with the same identifier in another organization to be provisioned under the original organization and exposed to that organization's administrator. This issue is fixed in version 4.15.2.

PUBLISHED Reserved 2026-06-17 | Published 2026-07-10 | Updated 2026-07-10 | Assigner GitHub_M




LOW: 2.3CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

Problem types

CWE-284: Improper Access Control

CWE-639: Authorization Bypass Through User-Controlled Key

Product status

< 4.15.2
affected

References

github.com/...itadel/security/advisories/GHSA-6x8v-2fq5-2229

github.com/zitadel/zitadel/pull/12261

github.com/...ommit/a939b847d90c3370bd162064e57764b89c01be46

github.com/zitadel/zitadel/releases/tag/v4.15.2

cve.org (CVE-2026-55670)

nvd.nist.gov (CVE-2026-55670)

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