CVE-2025-67717: Zitadel Discloses the Total Number of Instance Users

December 10, 2025 (updated December 18, 2025)

Zitadel’s User Service discloses the total number of instance users to unauthorized users.

References

github.com/advisories/GHSA-f4cf-9rvr-2rcx
github.com/zitadel/zitadel
github.com/zitadel/zitadel/commit/826039c6208fe71df57b3a94c982b5ac5b0af12c
github.com/zitadel/zitadel/security/advisories/GHSA-f4cf-9rvr-2rcx
nvd.nist.gov/vuln/detail/CVE-2025-67717

Code Behaviors & Features

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