TI-2026-22290 Aliases CVE-2026-27946 GHSA-282g-fhmx-xf54

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

MEDIUM 41CWE-862Published 2026-02-26 · Updated 2026-02-26

Key facts

Attack vector: Network
Privileges required: None
User interaction: Active
Attack complexity: Low
Attack requirements: None
Impact type: Security bypass
Confidentiality · integrity · availability: None · High · None
Fix status: Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-862.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00218 12th percentileScored 2026-11-07

Fix Fixed zitadel (zitadel): 4.11.0, 3.4.7github.com/zitadel/zitadel (Go): 4.11.1, 3.4.7, 1.80.0-v2.20.0.20260225053417-0261536243e5

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: Yes
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
zitadel	zitadel	4.0.0 to before 4.11.0; before 3.4.7	4.11.0, 3.4.7	Patch available	CNA
—	github.com/zitadel/zitadel (Go)	4.0.0 to before 4.11.1	4.11.1	Patch available	GHSA-282g-fhmx-xf54
—	github.com/zitadel/zitadel (Go)	2.43.0 to before 3.4.7	3.4.7	Patch available	GHSA-282g-fhmx-xf54
—	github.com/zitadel/zitadel (Go)	before 1.80.0-v2.20.0.20260225053417-0261536243e5	1.80.0-v2.20.0.20260225053417-0261536243e5	Patch available	GHSA-282g-fhmx-xf54

zitadel Vendorzitadel Affected 4.0.0 to before 4.11.0; before 3.4.7 Fixed in 4.11.0, 3.4.7 Patch available CNA
github.com/zitadel/zitadel (Go) Vendor— Affected 4.0.0 to before 4.11.1 Fixed in 4.11.1 Patch available GHSA-282g-fhmx-xf54
github.com/zitadel/zitadel (Go) Vendor— Affected 2.43.0 to before 3.4.7 Fixed in 3.4.7 Patch available GHSA-282g-fhmx-xf54
github.com/zitadel/zitadel (Go) Vendor— Affected before 1.80.0-v2.20.0.20260225053417-0261536243e5 Fixed in 1.80.0-v2.20.0.20260225053417-0261536243e5 Patch available GHSA-282g-fhmx-xf54

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:zitadel:zitadel::::::::	before 3.4.7; 4.0.0 to before 4.11.0	Vulnerable	zitadel

cpe:2.3:a:zitadel:zitadel:*:*:*:*:*:*:*:* Versions before 3.4.7; 4.0.0 to before 4.11.0 Vulnerable ·zitadel

Remediation

Fix · CNA zitadel (zitadel) Fixed in 4.11.0, 3.4.7
Fix · GHSA-282g-fhmx-xf54 github.com/zitadel/zitadel (Go) Fixed in 4.11.1 Advisory →
Fix · GHSA-282g-fhmx-xf54 github.com/zitadel/zitadel (Go) Fixed in 3.4.7 Advisory →
Fix · GHSA-282g-fhmx-xf54 github.com/zitadel/zitadel (Go) Fixed in 1.80.0-v2.20.0.20260225053417-0261536243e5 Advisory →

Timeline

2026-10-02 Threatist record created from CVE-2026-27946
2026-10-03 Alias added: GHSA-282g-fhmx-xf54

References

Advisory 2

Other 4

TI-2024-26607 ZITADEL Vulnerable to Session Information Leakage CVSS 3.1MEDIUM 6.5
TI-2025-41253 ZITADEL Vulnerable to Unauthenticated Full-Read SSRF via V2 Login CVSS 3.1CRITICAL 9.3
TI-2025-39554 Zitadel Bypass Second Authentication Factor CVSS 4.0HIGH 8.7
TI-2024-33224 Zitadel User Registration Bypass Vulnerability CVSS 3.1HIGH 7.5
TI-2024-31388 Service Users Deactivation not Working in Zitadel CVSS 3.1HIGH 8.1
TI-2026-23310 ZITADEL: Bypassing Zitadel Login Behavior and Security Policy in Login V2 CVSS 3.1HIGH 8.2

See all 46 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences