CVE-2026-34837

MEDIUM

Zammad is miissing authorization in AI assistance controller for context data used in text tools

Title source: cna

Description

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.

References (1)

[X_Refsource_Confirm] https://github.com/zammad/zammad/security/advisories/GHSA-89vv-6639-wcv8

Scores

CVSS v3 4.3

EPSS 0.0003

EPSS Percentile 8.4%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-862

Status published

Products (2)

zammad/zammad 7.0.0

zammad/zammad >= 7.0.0, < 7.0.1

Published Apr 08, 2026

Tracked Since Apr 09, 2026