CVE-2026-34837

Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.1, he REST endpoint POST /api/v1/ai_assistance/text_tools/:id contains an authorization failure. Context data (e.g., a group or organization) supplied to be used in the AI prompt were not checked if they are accessible for the current user. This leads to having data present in the AI prompt that were not authorized before being used. A user needs to have ticket.agent permission to be able to use the provided context data. This vulnerability is fixed in 7.0.1.

CVSS v3 4.3 MEDIUM

4.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/zammad/zammad/security/advisories/GHSA-89vv-6639-wcv8	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:zammad:zammad:7.0.0:*:*:*:*:*:*:*

History

17 Apr 2026, 15:51

Type	Values Removed	Values Added
References	~~() https://github.com/zammad/zammad/security/advisories/GHSA-89vv-6639-wcv8 - Third Party Advisory~~	() https://github.com/zammad/zammad/security/advisories/GHSA-89vv-6639-wcv8 - Vendor Advisory

17 Apr 2026, 14:48

Type	Values Removed	Values Added
References	~~() https://github.com/zammad/zammad/security/advisories/GHSA-89vv-6639-wcv8 -~~	() https://github.com/zammad/zammad/security/advisories/GHSA-89vv-6639-wcv8 - Third Party Advisory
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 4.3
CPE		cpe:2.3:a:zammad:zammad:7.0.0:::::::*
First Time		Zammad zammad Zammad

08 Apr 2026, 19:25

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-04-08 19:25

Updated : 2026-04-17 15:51

NVD link : CVE-2026-34837

Mitre link : CVE-2026-34837

CVE.ORG link : CVE-2026-34837

JSON object : View

Products Affected

zammad

zammad

CWE

CWE-862

Missing Authorization

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