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CVE-2026-59787

SNMP trap injection in zabbix_trap_receiver.pl

MEDIUM
5.3
CVSS Score
Published: October 5, 2026 at 10:29 AM UTC
Updated: October 6, 2026 at 03:27 PM UTC
1 product affected across 1 vendorZabbix

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

The Perl SNMP trap receiver script shipped with Zabbix does not properly neutralize the ZBXTRAP record delimiter in trap content. This means someone able to send SNMP traps can inject a record targeting another host, resulting in a loss of integrity.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Zabbix· Zabbix
60%
6.0.0 ≤ v ≤ 6.0.477.0.0 ≤ v ≤ 7.0.287.4.0 ≤ v ≤ 7.4.126.0.07.0.07.4.0

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

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

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.3MEDIUMZabbix
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-143

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