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CVE-2026-59787— SNMP trap injection in zabbix_trap_receiver.pl

Quick assessment

Affected
Zabbix Zabbix
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

随 Zabbix 提供的 Perl SNMP Trap 接收器脚本未能正确对 trap 内容中的 ZBXTRAP 记录分隔符进行中性化处理。这意味着，能够发送 SNMP trap 的攻击者可以注入指向其他主机的记录，从而导致数据完整性受损。

CVSS 5.3 · Medium

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-59787

Vulnerability Information
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Vulnerability Title
SNMP trap injection in zabbix_trap_receiver.pl
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
记录分隔符转义处理不恰当
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Zabbix Zabbix 6.0.0 ~ 6.0.47 -

II. Public POCs for CVE-2026-59787

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III. Intelligence Information for CVE-2026-59787

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Other References for CVE-2026-59787 (1)

Same Patch Batch · Zabbix · 2026-10-05 · 6 CVEs total

CVE-2026-59782 6.9 MEDIUM JavaScript preprocessing memory disclosure
CVE-2026-59786 6.9 MEDIUM Active agent heartbeat missing TLS check
CVE-2026-59788 5.6 MEDIUM Stored XSS vulnerability in OAuth configuration form
CVE-2026-59785 5.1 MEDIUM Hidden host credentials inferable via multiselect.get filtering
CVE-2026-59783 2.3 LOW Server DoS via binary items

IV. Related Vulnerabilities

Same product: Zabbix
Same vendor: Zabbix

V. Comments for CVE-2026-59787

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