CVE-2026-56729
Received Received - Intake

Information Disclosure in Zammad Helpdesk System

Vulnerability report for CVE-2026-56729, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-09-25

Last updated on: 2026-09-25

Assigner: GitHub, Inc.

Description

Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.2, when multiple KB categories have different editor roles assigned, a user with knowledge_base.editor in one category can see answer titles and updated_at timestamps from categories they do not have editor access to , via the global quick search. Category names are not leaked, and opening the answer returns "Page not found," but the title alone may disclose sensitive information. This vulnerability is fixed in 7.0.2.

CVSS Scores

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Meta Information

Published
2026-09-25
Last Modified
2026-09-25
Generated
2026-09-25
EPSS Evaluated
N/A
NVD
EUVD

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
zammad zammad 7.0.2

Helpful Resources

Exploitability

CWE
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KEV
KEV Icon
CWE ID Description
CWE-284 The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
CWE-200 The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.
CWE-280 The product does not handle or incorrectly handles when it has insufficient privileges to access resources or functionality as specified by their permissions. This may cause it to follow unexpected code paths that may leave the product in an invalid state.

Attack-Flow Graph

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EPSS Chart