CVE Watch28 sept 2026

CVE-2026-56728

Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.2, a broken access control vulnerability exists in Zammad's

CVSS

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Sin CVSS

EPSS

0.3%

p26

KEV

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Exploit Today

0-100

Publicado: 25 sept 2026 · Última mod.: 28 sept 2026 · CWE-200 · CWE-639

EPSS · 30d

0.3%EPSS · 30 días0.3%

2026-09-262026-10-25

Descripción técnica

Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.2, a broken access control vulnerability exists in Zammad's GraphQL API. An authenticated user can access taskbar item data belonging to another user by crafting a request with the target user's taskbar identifier. The taskbar feature stores transient state for active user sessions, including auto-saved ticket drafts. Under certain conditions, the authorization check for taskbar item access is not enforced, allowing a user to read another user's taskbar item data. This vulnerability is fixed in 7.0.2.

Referencias oficiales

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