OCTOBER 7, 2026
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Case File

CVE-2026-105210

HIGH · CVSS 8.2 EPSS 0.24% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-10-04 · Last synced 2026-10-07

CyberRota Analysis

AI-Generated

The vulnerability affects ZITADEL versions 3.x prior to 3.4.15 and 4.x prior to 4.17.1, specifically in the hosted Login V1 UI, where a missing authentication flaw allows attackers to manipulate second-factor enrollment without verifying the primary factor. This can lead to unauthorized enrollment of multi-factor authentication methods, overwriting verified phone numbers, and user enumeration. Organizations using these versions should prioritize patching to mitigate the risk of account takeover and unauthorized access.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-105210
Severity
HIGH
CVSS
8.2
EPSS
0.24%

Original NVD Description

ZITADEL 3.x before 3.4.15 and 4.x before 4.17.1 contains a missing authentication flaw in the hosted Login V1 UI, whose second-factor enrollment and initialization handlers act on an identify-only session before any primary factor is verified. Attackers knowing only a victim's login name can enroll attacker-controlled TOTP, OTP-SMS, OTP-Email, or U2F factors, overwrite the verified phone number, and enumerate users through discrepant errors.