Server-Side Template Injection in Zammad Helpdesk System
CVE-2026-34724

8.7HIGH

Key Information:

Vendor

Zammad

Status
Zammad
Vendor
CVE Published:
8 April 2026

What is CVE-2026-34724?

Zammad, a well-known open-source helpdesk and customer support system, is affected by a server-side template injection flaw. This vulnerability permits an attacker to execute remote code when they can manipulate the type_enrichment_data, typically found in high-privilege administrative configurations. The risk is significant as it can allow unauthorized control over the system. Users of Zammad should upgrade to version 7.0.1 or later to mitigate this risk.

Affected Version(s)

zammad >= 7.0.0, < 7.0.1

References

https://github.com/zammad/zammad/security/advisories/GHSA...
x_refsource_CONFIRM

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.