CVE-2026-29067

ZITADEL: Account Takeover Due to Improper Instance Validation in V2 Login

State: Published
Severity: 8.1 High
Published: Mar 7, 2026
Updated: Mar 9, 2026
Reserved: Mar 3, 2026

Description

ZITADEL is an open source identity management platform. From version 4.0.0-rc.1 to 4.7.0, a potential vulnerability exists in ZITADEL's password reset mechanism in login V2. ZITADEL utilizes the Forwarded or X-Forwarded-Host header from incoming requests to construct the URL for the password reset confirmation link. This link, containing a secret code, is then emailed to the user. This issue has been patched in version 4.7.1.

Scores

CVSS	Score	Vector	Source
3.1	8.1 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N	GitHub_M

Weaknesses

CWE-601 URL Redirection to Untrusted Site ('Open Redirect')

Affected Products

Product	Versions
zitadelzitadel	>= 4.0.0-rc.1, < 4.7.1Affected

References

https://github.com/zitadel/zitadel/security/advisories/GHSA-pfrf-9r5f-73f5

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