PT-2026-98943

Name of the Vulnerable Software and Affected Versions Zammad versions prior to 7.0.2 Description In the global quick search, a user assigned the knowledge base.editor role in one knowledge base category can view answer titles and updated at timestamps from other categories for which they lack...

PT-2026-98949

Name of the Vulnerable Software and Affected Versions Zammad versions prior to 7.0.2 Zammad versions prior to 7.1.0 Description The HTML sanitizer HtmlSanitizer::Strict fails to block external URLs within the srcset attribute of tags. While other external URLs are blocked to prevent remote conten...

PT-2026-99081

Name of the Vulnerable Software and Affected Versions Zammad versions prior to 7.1.2 Description The HTML sanitizer used in ticket articles and email views fails to correctly identify and block remote images when a shortened URL format is used that omits the double slash after the scheme. Because...

PT-2026-99087

Name of the Vulnerable Software and Affected Versions Zammad versions prior to 7.1.2 Description Zammad is a web-based open source helpdesk and customer support system. A flaw in the two-factor login process allows an attacker to perform unlimited password guesses for any account. This occurs...

CVE-2026-56732: Improper Input Validation

Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.2, vulnerability in Zammad's HTML sanitization allows injection of specific HTML elements into ticket bodies. When another user views the crafted ticket, the injected element can trigger a logout request, terminating...

PT-2026-98946

Name of the Vulnerable Software and Affected Versions Zammad versions prior to 7.0.2 Description Zammad is a web-based open source helpdesk and customer support system. A flaw in the HTML sanitization process allows the injection of specific HTML elements into ticket bodies. When a user views a...

CVE-2026-13229

Zammad 7.1.0 contains an authenticated improper authorization vulnerability in the ticket article attachment cloning endpoint...

EUVD-2026-52856

Zammad 7.1.0 contains an authenticated improper authorization vulnerability in the ticket article attachment cloning endpoint...

CVE-2026-13229 Zammad 7.0.1 - Improper authorization in ticket article attachment cloning

Zammad 7.1.0 contains an authenticated improper authorization vulnerability in the ticket article attachment cloning endpoint...

CVE-2026-13229 Zammad 7.0.1 - Improper authorization in ticket article attachment cloning

Zammad 7.1.0 contains an authenticated improper authorization vulnerability in the ticket article attachment cloning endpoint...

CVE-2026-13229

Affected product/versions: Zammad 7.1.0 (ticket article attachment cloning endpoint).Root cause: authenticated improper authorization in the endpoint, enabling actions beyond the intended permissions.Impact: confidentiality impact HIGH per CVSS metrics; exploitation could arise from network-acces...

CVE-2026-13229

Zammad 7.1.0 contains an authenticated improper authorization vulnerability in the ticket article attachment cloning endpoint...

CVE-2026-13229 Zammad 7.0.1 - Improper authorization in ticket article attachment cloning

Zammad 7.1.0 contains an authenticated improper authorization vulnerability in the ticket article attachment cloning endpoint...

PT-2026-67808

Name of the Vulnerable Software and Affected Versions Zammad version 7.1.0 Description An authenticated improper authorization issue exists in the ticket article attachment cloning endpoint. Improper authorization occurs when a system fails to properly verify if a user has the necessary permissio...

CVE-2026-13229: Missing Authorization

Zammad 7.1.0 contains an authenticated improper authorization vulnerability in the ticket article attachment cloning endpoint...

CVE-2026-34837

Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.1, he REST endpoint POST /api/v1/aiassistance/texttools/:id contains an authorization failure. Context data e.g., a group or organization supplied to be used in the AI prompt were not checked if they are accessible f...

CVE-2026-34718

Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.1 and 6.5.4, the HTML sanitizer for ticket articles was missing proper sanitization of data: ... URI schemes, resulting in storing such malicious content in the database of the Zammad instance. The Zammad GUI is...

CVE-2026-34722

Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.1 and 6.5.4, the used endpoint for ticket creation was missing authorization if the related parameter for adding links is used. This vulnerability is fixed in 7.0.1 and 6.5.4...

CVE-2026-34723

Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.1 and 6.5.4, unauthenticated remote attackers were able to access the getting started endpoint to get access to sensitive internal entity data, even after the system setup was completed. This vulnerability is fixed i...

CVE-2026-34719

Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.1 and 6.5.4, the webhook model was missing a proper validation for loop back addresses, or link-local addresses — only the URL scheme HTTP/HTTPS as well as the hostname was checked. This could end up in retrieving...