CVE-2026-34837CWE-862

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

Medium · published April 8, 2026

CVSS v4.0
5.3
EPSS
0%
Percentile
20.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
5.3 · MEDIUM
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
EPSS
0.00294 · 20.8th percentile
Weakness
CWE-862 · Missing Authorization
Published
2026-04-08T18:20Z
EPSS history
Timeline
  • 08 APR 18:20Z
    Zammad is miissing authorization in AI assistance controller for context data used in text tools
    cvelistv5