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
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | zabbix | no fix listed | DEBIAN-CVE-2026-59787 |
| Debian:13 | zabbix | no fix listed | DEBIAN-CVE-2026-59787 |
| Debian:14 | zabbix | 1:7.0.29+dfsg-1 | DEBIAN-CVE-2026-59787 |
| Ubuntu:26.04:LTS | zabbix | no fix listed | UBUNTU-CVE-2026-59787 |
| Ubuntu:26.10 | zabbix | no fix listed | UBUNTU-CVE-2026-59787 |
Affected products (as reported)
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