CVE-2026-34724

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

State: Published
Severity: 8.7 High
Published: Apr 8, 2026
Updated: Apr 9, 2026
Reserved: Mar 30, 2026

Description

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.

Scores

CVSS	Score	Vector	Source
4.0	8.7 High	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	GitHub_M

Weaknesses

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

Affected Products

Product	Versions
zammadzammad	>= 7.0.0, < 7.0.1Affected

References

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

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