CVE-2026-56730 Zammad: Missing authorization in GraphQL mutation for suggesting knowledge base answers

Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.2, an authorization bypass vulnerability was found that allows an authenticated agent to read knowledge base answer content they should not be able to access. The vulnerable GraphQL mutation is meant to transform a...

CVE-2026-56730 Zammad: Missing authorization in GraphQL mutation for suggesting knowledge base answers

Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.2, an authorization bypass vulnerability was found that allows an authenticated agent to read knowledge base answer content they should not be able to access. The vulnerable GraphQL mutation is meant to transform a...

CVE-2026-56730 Zammad: Missing authorization in GraphQL mutation for suggesting knowledge base answers

Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.2, an authorization bypass vulnerability was found that allows an authenticated agent to read knowledge base answer content they should not be able to access. The vulnerable GraphQL mutation is meant to transform a...

CVE-2026-56730

The open-source helpdesk system Zammad is vulnerable to an authorization bypass in versions prior to 7.0.2 . The flaw exists within a GraphQL mutation designed to transform knowledge base answer suggestions for the ticket editor. While the system verifies if a user has the ticket.agent permission...

EUVD-2026-87218

Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.2, an authorization bypass vulnerability was found that allows an authenticated agent to read knowledge base answer content they should not be able to access. The vulnerable GraphQL mutation is meant to transform a...

CVE-2026-56733

The Zammad helpdesk system contains an authorization flaw in versions prior to 7.0.2 and 7.1.0 . The root cause is a lack of discursive validation within the authorization cascade, where granular restrictions of an access key are overridden by the latent authorization authority of a parent accoun...

CVE-2026-56733 Zammad: Incorrect Authorization and Improper Privilege Management

Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.2 and 7.1.0, this issue concerns a lack of discursive validation within the authorization cascade. It has been determined that the system-level enforcement of access restrictions during the initialization of new...

CVE-2026-56733 Zammad: Incorrect Authorization and Improper Privilege Management

Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.2 and 7.1.0, this issue concerns a lack of discursive validation within the authorization cascade. It has been determined that the system-level enforcement of access restrictions during the initialization of new...

EUVD-2026-87217

Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.2 and 7.1.0, this issue concerns a lack of discursive validation within the authorization cascade. It has been determined that the system-level enforcement of access restrictions during the initialization of new...

CVE-2026-56733 Zammad: Incorrect Authorization and Improper Privilege Management

Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.2 and 7.1.0, this issue concerns a lack of discursive validation within the authorization cascade. It has been determined that the system-level enforcement of access restrictions during the initialization of new...

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

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...

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...

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-2026-56735

The open source helpdesk system Zammad is vulnerable to an oversight in its HTML sanitizer (HtmlSanitizer::Strict ). Prior to versions 7.0.2 and 7.1.0 , the sanitizer blocked external URLs in tags but failed to apply the same check to the srcset attribute. An attacker can bypass external content...

EUVD-2026-87215

Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.2 and 7.1.0, zammad's HTML sanitizer HtmlSanitizer::Strict blocks external URLs in to prevent remote content loading, but the srcset attribute, also allowlisted for , is not subject to the same check. This oversight...

CVE-2026-56735 Zammad: Improper neutralization of `srcset` attribute in IMG tags in Zammad

Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.2 and 7.1.0, zammad's HTML sanitizer HtmlSanitizer::Strict blocks external URLs in to prevent remote content loading, but the srcset attribute, also allowlisted for , is not subject to the same check. This oversight...

CVE-2026-56735 Zammad: Improper neutralization of `srcset` attribute in IMG tags in Zammad

Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.2 and 7.1.0, zammad's HTML sanitizer HtmlSanitizer::Strict blocks external URLs in to prevent remote content loading, but the srcset attribute, also allowlisted for , is not subject to the same check. This oversight...

CVE-2026-56735 Zammad: Improper neutralization of `srcset` attribute in IMG tags in Zammad

Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.2 and 7.1.0, zammad's HTML sanitizer HtmlSanitizer::Strict blocks external URLs in to prevent remote content loading, but the srcset attribute, also allowlisted for , is not subject to the same check. This oversight...