CVE-2026-55670
Published:July 10, 2026
Updated:July 21, 2026
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.
Affected Packages
https://github.com/zitadel/zitadel.git (GITHUB):
Affected version(s) >=v4.0.0 <v4.15.2Fix Suggestion:
Update to version v4.15.2https://github.com/zitadel/zitadel.git (GITHUB):
Affected version(s) >=v3.0.0 <v3.4.12Fix Suggestion:
Update to version v3.4.12github.com/zitadel/zitadel (GO):
Affected version(s) >=v1.80.0-v2.20.0.20250506063819-8cb1d24b36d4 <v1.80.0-v2.20.0.20260615092437-6082e59d47c1Fix Suggestion:
Update to version v1.80.0-v2.20.0.20260615092437-6082e59d47c1Related Resources (6)
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Contact UsCVSS v4
Base Score:
2.3
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
PRESENT
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
LOW
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
4.2
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Weakness Type (CWE)
EPSS
Base Score:
0.29