Critical severity · published Mar 7, 2026
CVE-2026-29067
ZITADEL: Account Takeover Due to Improper Instance Validation in V2 Login
9.3
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 28% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ZI
zitadel · zitadel
>= 4.0.0-rc.1, < 4.7.1 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-29067
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-29067
Patch
https://github.com/zitadel/zitadel/security/advisories/GHSA-pfrf-9r5f-73f5
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