CVE-2026-56726

Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.2, this vulnerability breaks normal ticket isolation boundaries between agents. Any authenticated agent, even one with no active tickets assigned to them, can view the titles, status, labels, and URL links of...

EUVD-2026-87258

Zammad is a web based open source helpdesk/customer support system. Prior to 7.1.2, zammad's HTML sanitizer, which blocks remote images in ticket articles and email views, can be bypassed using a shortened URL format that omits the double slash after the scheme for example a shortened HTTP URL...

CVE-2026-56732 Zammad: Malicious input in Ticket Body Enables Session Termination

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...

CVE-2026-56732 Zammad: Malicious input in Ticket Body Enables Session Termination

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...

CVE-2026-56732 Zammad: Malicious input in Ticket Body Enables Session Termination

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...

CVE-2026-56731

The open-source helpdesk system Zammad is vulnerable to a Cross-Site Scripting (XSS) flaw in versions prior to 7.0.1 . A low-privilege authenticated user can inject arbitrary HTML markup , including JavaScript event handlers , into a ticket title through the standard ticket creation workflow. Thi...

EUVD-2026-87216

Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.1, a low-privilege authenticated user may inject arbitrary HTML markup, including JavaScript event handlers, into a ticket title via the standard ticket creation workflow. The title is persisted without sanitization...

CVE-2026-56731 Zammad: Cross-Site Scripting in Ticket Notifications

Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.1, a low-privilege authenticated user may inject arbitrary HTML markup, including JavaScript event handlers, into a ticket title via the standard ticket creation workflow. The title is persisted without sanitization...

CVE-2026-56731 Zammad: Cross-Site Scripting in Ticket Notifications

Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.1, a low-privilege authenticated user may inject arbitrary HTML markup, including JavaScript event handlers, into a ticket title via the standard ticket creation workflow. The title is persisted without sanitization...

CVE-2026-56731 Zammad: Cross-Site Scripting in Ticket Notifications

Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.1, a low-privilege authenticated user may inject arbitrary HTML markup, including JavaScript event handlers, into a ticket title via the standard ticket creation workflow. The title is persisted without sanitization...

CVE-2026-56726 Zammad: Missing authorization check in GitHub + GitLab integration allows cross-ticket data leak

Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.2, this vulnerability breaks normal ticket isolation boundaries between agents. Any authenticated agent, even one with no active tickets assigned to them, can view the titles, status, labels, and URL links of...

EUVD-2026-87212

Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.2, this vulnerability breaks normal ticket isolation boundaries between agents. Any authenticated agent, even one with no active tickets assigned to them, can view the titles, status, labels, and URL links of...

CVE-2026-56726

The Zammad open source helpdesk system contains a vulnerability in versions prior to 7.0.2 where a missing authorization check in the GitHub and GitLab integrations breaks ticket isolation boundaries. Any authenticated agent, regardless of their assigned tickets, can view the titles, status, labe...

CVE-2026-56723

The Zammad helpdesk and customer support system contains an authorization bypass in versions prior to 7.0.2 . While internal ticket articles are correctly hidden from customers via the article listing API, the attachment download endpoint fails to enforce article-level authorization. This allows ...

EUVD-2026-87205

Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.2, a customer who can view a ticket cannot see internal ticket articles through the article listing API. However, the same customer can directly request an attachment belonging to an internal article via the attachme...

CVE-2026-97735

ITFlow before 26.08 allows SVG attachments in the ticket email parser cron/ticketemailparser.php for email messages that may arrive over SMTP from arbitrary senders...

CVE-2026-97735

ITFlow before 26.08 allows SVG attachments in the ticket email parser cron/ticketemailparser.php for email messages that may arrive over SMTP from arbitrary senders...

CVE-2026-56726: Missing Authorization

Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.2, this vulnerability breaks normal ticket isolation boundaries between agents. Any authenticated agent, even one with no active tickets assigned to them, can view the titles, status, labels, and URL links of...

PT-2026-98944

Name of the Vulnerable Software and Affected Versions Zammad versions prior to 7.0.2 Description An authorization bypass allows an authenticated agent to read knowledge base answer content without proper authorization. The issue exists in a GraphQL mutation used to transform knowledge base answer...

CVE-2026-100389: Unrestricted Upload of File with Dangerous Type

GestSup versions before 3.2.62 contain a remote code execution vulnerability in the basic IMAP connector's attachment handling that fails to skip blocked file extensions. Unauthenticated attackers can send emails with PHP attachments to monitored mailboxes, which are written to the web-accessible...