CVE-2026-34724 PUBLISHED

Zammad has a server-side template injection leading to RCE via AI Agent

Assigner: GitHub_M
Reserved: 30.03.2026 Published: 08.04.2026 Updated: 08.04.2026

Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.1, a server-side template injection vulnerability which leads to RCE via AI Agent exists. Impact is limited to environments where an attacker can control or influence type_enrichment_data (typically high-privilege administrative configuration). This vulnerability is fixed in 7.0.1.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
CVSS Score: 8.7

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	High
Attack Complexity	High	Integrity	High	Integrity	High
Attack Requirements	Present	Availability	High	Availability	High
Privileges Required	High
User Interaction	Active

CVSS 4.0

Product Status

Vendor	zammad
Product	zammad
Versions	Version >= 7.0.0, < 7.0.1 is affected

References

https://github.com/zammad/zammad/security/advisories/GHSA-fg9w-jg8f-4j94

Problem Types

CWE-94: Improper Control of Generation of Code ('Code Injection') CWE
CWE-1336: Improper Neutralization of Special Elements Used in a Template Engine CWE