by Kastro
Paper/Archive/CVE-2026-29067

CVE-2026-29067

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

EPSS 0.3%CVSS 9.3
critical.is priorityof 100
33
CVSS 9.3 (NVD)9.3 / 10 × 3027.9Not in CISA KEV+300.0EPSS percentile 27.7.277 × 205.5No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
zitadel>= 4.0.0-rc.1, < 4.7.1–CNA

Scores by source

NVD9.3CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
GitHub_M (CNA)8.1CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: total

References

refgithub.com/zitadel/zitadel/security/advisories/GHSA-pfrf-9r5f-73f5