Injection Vulnerability in Zabbix Perl SNMP Trap Receiver Script
CVE-2026-59787

5.3MEDIUM

Key Information:

Vendor

Zabbix

Status
Zabbix
Vendor
CVE Published:
5 October 2026

What is CVE-2026-59787?

The Perl SNMP trap receiver script included with Zabbix is susceptible to an injection vulnerability due to improper handling of the ZBXTRAP record delimiter. This flaw allows an attacker capable of sending SNMP traps to craft malicious payloads that can target another system. If exploited, this could lead to unauthorized modification of data, thereby compromising the integrity of the system's operational data.

Affected Version(s)

Zabbix 6.0.0 <= 6.0.47

Zabbix 7.0.0 <= 7.0.28

Zabbix 7.4.0 <= 7.4.12

References

https://support.zabbix.com/browse/ZBX-28197

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Zabbix wants to thank stoun for submitting this report on the HackerOne bug bounty platform.
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