CVE-2026-29067 ZITADEL: Account Takeover Due to Improper Instance Validation in V2 Login
Attackers can hijack password reset links by manipulating forwarded host headers, leading to account takeover in ZITADEL.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2026-29067?
CVE-2026-29067 is a high-severity vulnerability in zitadel, published on 7 Mar 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-601
Which versions are affected by CVE-2026-29067?
9 open source packages ship an affected version, including github.com/zitadel/zitadel and github.com/zitadel/zitadel/v2. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
github.com/zitadel/zitadel Go | All versions | 1.80.0-v2.20.0.20251208091519-4c879b47334e |
github.com/zitadel/zitadel Go | All versions | 1.80.0-v2.20.0.20251208091519-4c879b47334e |
github.com/zitadel/zitadel Go | All versions | 1.80.0-v2.20.0.20251208091519-4c879b47334e |
github.com/zitadel/zitadel Go | From 1.83.4 to 1.87.5 | None |
github.com/zitadel/zitadel Go | From 1.83.4 to 1.87.5 | None |
github.com/zitadel/zitadel Go | From 4.0.0-rc.1 | 4.7.1 |
3 more packages
github.com/zitadel/zitadel Go | From 4.0.0-rc.1 | 4.7.1 |
github.com/zitadel/zitadel/v2 Go | All versions | 1.80.0-v2.20.0.20251208091519-4c879b47334e |
github.com/zitadel/zitadel/v2 Go | All versions | 1.80.0-v2.20.0.20251208091519-4c879b47334e |
Products include Zitadel Zitadel.
How do I fix CVE-2026-29067?
Upgrade github.com/zitadel/zitadel to a fixed version for your release line: 1.80.0-v2.20.0.20251208091519-4c879b47334e or 4.7.1.
Is CVE-2026-29067 being exploited?
There is no known exploitation of CVE-2026-29067 in the wild and no public exploit code.
Other vulnerabilities in zitadel
- CVE-2026-29191 ZITADEL: 1-Click Account Takeover via XSS in /saml-post Endpoint
- CVE-2025-67494 ZITADEL Vulnerable to Unauthenticated Full-Read SSRF via V2 Login
- CVE-2025-27507 IDOR Vulnerabilities in ZITADEL's Admin API that Primarily Impact LDAP Configurations
- CVE-2025-64103 Zitadel Bypass Second Authentication Factor
- CVE-2025-31123 Zitadel Expired JWT Keys Usable for Authorization Grants
Sources
Also known as GHSA-pfrf-9r5f-73f5, GO-2025-4212.