Vulnerability · Published Oct 5, 2026 · Assigned by Zabbix

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

Medium 5.3

In plain English

A medium-severity security flaw in Zabbix from Zabbix. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 13% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 4.0)5.3Medium
Exploit odds (30 days)0.2%top 86.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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 packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12zabbixno fix listedDEBIAN-CVE-2026-59787
Debian:13zabbixno fix listedDEBIAN-CVE-2026-59787
Debian:14zabbix1:7.0.29+dfsg-1DEBIAN-CVE-2026-59787
Ubuntu:26.04:LTSzabbixno fix listedUBUNTU-CVE-2026-59787
Ubuntu:26.10zabbixno fix listedUBUNTU-CVE-2026-59787

Affected products (as reported)

VendorProductVersions
Zabbix Zabbix 6.0.0 – through 6.0.477.0.0 – through 7.0.287.4.0 – through 7.4.12

Weakness: CWE-143 · Vector: 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

References