Vulnerability
CVE-2026-84464
Descriptive record received from OpenCTI and minimised for consultation in the Intel portal.
- Sharing
- PUBLIC-OSINT
- Confidence
- 100
- Source
- The CVE Program
- Updated
- 26/09/2026 02:45
Description
Zammad is a web based open source helpdesk/customer support system. Prior to 7.1.2, zammad's External Data Source feature, used to look up records from an external system, did not properly verify whether a user was allowed to see a specific ticket, user, group, or organization before including its details in a request to that external system. An authenticated user, including one with only basic customer access, could exploit this by referencing another record's ID, and thereby view details of tickets, customer accounts, teams, or organizations that did not belong to them. This issue is fixed in version 7.1.2.
Aliases and classifications
Authorization Bypass Through User-Controlled KeyCWE-200CWE-639CWE-863Exposure of Sensitive Information to an Unauthorized ActorIncorrect Authorization
Minimised technical details
No raw data- cisa kev
- False
Provenance
Public references
- https://github.com/zammad/zammad/security/advisories/GHSA-jvm2-cr58-4qxp
https://github.com/zammad/zammad/security/advisories/GHSA-jvm2-cr58-4qxp - https://github.com/zammad/zammad/commit/34bdf46273adbea03821ac7157c8beaacde03a4b
https://github.com/zammad/zammad/commit/34bdf46273adbea03821ac7157c8beaacde03a4b
EudorIA correlation
Intel catalogue
The vulnerability is also available in the EudorIA editorial catalogue.
Open EudorIA analysisPresence in OpenCTI describes an intelligence correlation and does not, by itself, constitute evidence of compromise, legal attribution or operational guidance applicable without context verification.