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CVE-2026-34248

LOW CVSS 4.0: 2.1 EPSS 0.03%
Updated Apr 17, 2026
Zammad
Parameter Value
CVSS 2.1 (LOW)
Fixed In 7.0.1
Type CWE-284 (Improper Access Control)
Vendor Zammad
Public PoC No

Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.1, customers in shared organizations (means they can see each other's tickets) could see fields which are not intended for customers - including fields not intended for them at all (e.g. priority, custom ticket attributes for internal purposes). This was the case when a customer opened a ticket from another user of the same shared organization.

They are not able to modify these field. This vulnerability is fixed in 7.0.1.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
Present
Additional conditions required
Privileges Required
Low
Basic privileges needed
User Interaction
Passive
Minimal interaction

Impact Assessment

Confidentiality
Low
Partial data leak
Integrity
None
No data modification
Availability
None
No disruption

CVSS Vector v4.0

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Zammad Zammad
cpe:2.3:a:zammad:zammad:7.0.0:*:*:*:*:*:*:*