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    CVE-2025-67717

    ZITADEL is an open-source identity infrastructure tool. Versions 2.44.0 through 3.4.4 and 4.0.0-rc.1 through 4.7.1 disclose the total number of instance users to authenticated users, regardless of their specific permissions. While this does not leak individual user data or PII, disclosing the total user count via the totalResult field constitutes an information disclosure vulnerability that may be sensitive in certain contexts. This issue is fixed in versions 3.4.5 and 4.7.2.

    Published:Dec 11, 2025
    Last Modified:Feb 2, 2026
    EPS:Dec 11, 2025
    EPSS Score:0.00044
    CVSS Score:4.3

    Affected Products

    Vendor
    Zitadel
    Product
    Zitadel

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-170 Web Application Fingerprinting
    CAPEC-694 System Location Discovery

    Related CVEs

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    CVE-2026-56666 (CVSS 4.8) — ZITADEL is an open source identity management platform. Prior to 4.15.3, ZITADEL's external identity provider …
    CVE-2026-56667 (CVSS 7.3) — ZITADEL is an open source identity management platform. Prior to 4.15.3, ZITADEL Login V2 OIDC and SAML Failed…
    CVE-2026-56665 (CVSS 4.2) — ZITADEL is an open source identity management platform. Prior to 3.4.12 and 4.15.2, ZITADEL is an open source …
    CVE-2026-56664 (CVSS 4.2) — ZITADEL is an open source identity management platform. Prior to 3.4.12 and 4.15.2, ZITADEL's external JWT Ide…
    CVE-2026-55672 (CVSS 7.4) — ZITADEL is an open source identity management platform. Prior to 3.4.12 and 4.15.2, ZITADEL's OAuth2 and OIDC …
    CVE-2026-55671 (CVSS 2.3) — ZITADEL is an open source identity management platform. From 4.0.0-rc.1 through 4.15.1, ZITADEL's HTTP notific…
    CVE-2026-55670 (CVSS 2.3) — ZITADEL is an open source identity management platform. Prior to 4.15.1, ZITADEL's event store validation can …
    CVE-2026-55669 (CVSS 4.2) — ZITADEL is an open source identity management platform. Prior to 3.4.12 and 4.15.2, ZITADEL's external JWT Ide…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High