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    CVE-2026-63204

    Zammad is a web based open source helpdesk/customer support system. Prior to 7.1.2, an authenticated user with agent permissions can supply an arbitrary AI analytics run identifier to the ticket summarize endpoint and receive the AI provider error message stored for that run, even if the run belongs to a ticket the agent is not authorized to access. The disclosure is limited to the provider error string; ticket content is not exposed. This issue is fixed in version 7.1.2.

    Published:Sep 25, 2026
    Last Modified:Sep 26, 2026
    EPS:Sep 25, 2026
    EPSS Score:
    CVSS Score:2.3

    Affected Products

    Vendor
    Zammad
    Product
    Zammad

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-665 Exploitation of Thunderbolt Protection Flaws

    Related CVEs

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    CVE-2026-63208 (CVSS 5.1) — Zammad is a web based open source helpdesk/customer support system. Prior to 7.1.2, when a Microsoft Graph req…
    CVE-2026-63006 (CVSS 5.3) — Zammad is a web based open source helpdesk/customer support system. Prior to 7.1.2, attacker-controlled HTML i…
    CVE-2026-61855 (CVSS 5.3) — Zammad is a web based open source helpdesk/customer support system. In 7.0.3 and 7.1.1, under certain conditio…
    CVE-2026-84461 (CVSS 6.9) — Zammad is a web based open source helpdesk/customer support system. Prior to 7.1.2, the two-factor login step …
    CVE-2026-63207 (CVSS 6.9) — Zammad is a web based open source helpdesk/customer support system. In 7.0.3 and 7.1.1, an authenticated admin…
    CVE-2026-84465 (CVSS 7.1) — Zammad is a web based open source helpdesk/customer support system. Prior to 7.1.2, when Zammad checks the dig…
    CVE-2026-84463 (CVSS 6.3) — Zammad is a web based open source helpdesk/customer support system. Prior to 7.1.2, a user with Knowledge Base…

    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