PT-2026-99089 · Zammad · Zammad

CVE-2026-84464

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Published

2026-09-25

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Updated

2026-09-25

CVSS v4.0

7.1

High

VectorAV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Name of the Vulnerable Software and Affected Versions Zammad versions prior to 7.1.2
Description The External Data Source feature, which retrieves records from external systems, fails to properly verify user permissions before including record details in requests. An authenticated user with basic customer access can reference a record ID to view unauthorized details of tickets, customer accounts, teams, or organizations.
Recommendations Update to version 7.1.2.

Exploit

Fix

Incorrect Authorization

Information Disclosure

IDOR

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Weakness Enumeration

Related Identifiers

CVE-2026-84464
GHSA-JVM2-CR58-4QXP

Affected Products

Zammad