CVE-2026-119128：ZITADEL 4.0.0 之前版本 Login V2 可透過 Forgeable verificationCheck Cookie 進行帳號接管
CVE-2026-119128 - ZITADEL 4.0.0 before 4.19.5 Login V2 Account Takeover via Forgeable verificationCheck Cookie
ZITADEL 的 Login V2 UI 存在身份驗證缺陷，允許未授權攻擊者利用 forged verificationCheck Cookie 取得帳號控制權。
此 CVE 揭示 ZITADEL Login V2 UI 的身份驗證缺陷，提醒開發者及時升級以避免帳號被盜。
ZITADEL 4.0.0 before 4.19.5 contains an authentication bypass vulnerability in the Login V2 UI that allows unauthenticated attackers to set the first credential of users lacking any authentication method. Attackers can compute a valid verificationCheck cookie from the user ID and browser fingerprint to set a password, register a passkey, or link an identity provider, taking over the account.
Impact
Affected Products
The following products are affected by CVE-2026-119128
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | 83251b91-4cc7-4094-a5c7-464a1b83ea10 | ||||
| CVSS 4.0 | CRITICAL | 83251b91-4cc7-4094-a5c7-464a1b83ea10 |
Update ZITADEL to a version that addresses the authentication bypass vulnerability in the Login V2 UI.
- Update ZITADEL to version 4.19.5 or later.
- Verify user accounts do not have initial credentials set by unauthorized users.
- Implement strong password policies and multi-factor authentication.
- Monitor authentication logs for suspicious activity.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-119128 vulnerability anywhere in the article.
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.