CVE-2026-27946 PUBLISHED

ZITADEL Users Can Self-Verify Email/Phone via UpdateHumanUser API

Assigner: GitHub_M
Reserved: 25.02.2026 Published: 26.02.2026 Updated: 26.02.2026

ZITADEL is an open source identity management platform. Prior to versions 4.11.1 and 3.4.7, a vulnerability in Zitadel's self-management capability allowed users to mark their email and phone as verified without going through an actual verification process. The patch in versions 4.11.1 and 3.4.7 resolves the issue by requiring the correct permission in case the verification flag is provided and only allows self-management of the email address and/or phone number itself. If an upgrade is not possible, an action (v2) could be used to prevent setting the verification flag on the own user.

Metrics

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:N/SC:N/SI:H/SA:N
CVSS Score: 8.2

Product Status

Vendor zitadel
Product zitadel
Versions
  • Version >= 4.0.0, < 4.11.0 is affected
  • Version < 3.4.7 is affected

References

Problem Types

  • CWE-862: Missing Authorization CWE