Vulnerability DatabaseCVE-2026-105213
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CVE-2026-105213
Published:October 04, 2026
Updated:October 10, 2026
ZITADEL 4.x before 4.17.1 does not check an organization's inactive state during Login V2 authentication, verifying only the individual user's status. Users of a deactivated organization who hold valid credentials, an existing session, or a refresh token can still sign in, create sessions, and obtain or refresh tokens.
Affected Packages
github.com/zitadel/zitadel (GO):
Affected version(s) >=v2.27.0 <v4.17.1
Fix Suggestion:
Update to version v4.17.1
Related Resources (4)
https://github.com/zitadel/zitadel/security/advisories/GHSA-558c-v5wc-9w4q
https://www.vulncheck.com/advisories/zitadel-before-4.17.1-authentication-bypass-via-login-v2-for-deactivated-organizations
https://nvd.nist.gov/vuln/detail/CVE-2026-105213
https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/105xxx/CVE-2026-105213.json
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CVSS v4
Base Score:
8.8
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
HIGH
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
8.2
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
HIGH
Availability
NONE
Weakness Type (CWE)
Improper Authentication
CWE-287
EPSS
Base Score:
0.24