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The Perl SNMP trap receiver script shipped with Zabbix does not properly neutralize the ZBXTRAP record delimiter in trap content. (CVE-2026-59787)

0
Medium
VulnerabilityCVE-2026-59787gcveosvubuntu-cve-2026-59787cve-2026-59787ubuntu-pro-14-04-ltsubuntu-pro-16-04-ltsubuntu-pro-18-04-ltsubuntu-pro-20-04-ltsubuntu-pro-22-04-ltsubuntu-26-10ubuntu-26-04-lts
Published: 10/05/2026 (10/05/2026, 11:16:00 UTC)
Source: GCVE Database
Product: zabbix

Description

The Perl SNMP trap receiver script included with Zabbix does not properly neutralize the ZBXTRAP record delimiter within trap content. This vulnerability allows an attacker who can send SNMP traps to inject a record that targets another host, leading to a loss of data integrity.

CVSS v4.0

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Vuln. Confidentiality
None
Vuln. Integrity
Low
Vuln. Availability
None
Subsq. Confidentiality
None
Subsq. Integrity
None
Subsq. Availability
None
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

Affected software

Ubuntu:Pro:14.04:LTSmore threats →ghsa
zabbix
pkg:deb/ubuntu/zabbix?arch=source&distro=esm-infra-legacy/trusty
Affected versions
=1:2.0.6+dfsg-1ubuntu2=1:2.2.0+dfsg-1ubuntu1=1:2.2.0+dfsg-6ubuntu1=1:2.2.1+dfsg-1ubuntu3=1:2.2.2+dfsg-1ubuntu1=1:2.2.2+dfsg-1ubuntu1+esm1=1:2.2.2+dfsg-1ubuntu1+esm3=1:2.2.2+dfsg-1ubuntu1+esm4=1:2.2.2+dfsg-1ubuntu1+esm5
Ubuntu:Pro:16.04:LTSmore threats →ghsa
zabbix
pkg:deb/ubuntu/zabbix?arch=source&distro=esm-apps/xenial
Affected versions
=1:2.4.6+dfsg-1=1:2.4.7+dfsg-1=1:2.4.7+dfsg-2=1:2.4.7+dfsg-2ubuntu2=1:2.4.7+dfsg-2ubuntu2.1=1:2.4.7+dfsg-2ubuntu2.1+esm1=1:2.4.7+dfsg-2ubuntu2.1+esm2=1:2.4.7+dfsg-2ubuntu2.1+esm3=1:2.4.7+dfsg-2ubuntu2.1+esm4
Ubuntu:Pro:18.04:LTSmore threats →ghsa
zabbix
pkg:deb/ubuntu/zabbix?arch=source&distro=esm-apps/bionic
Affected versions
=1:3.0.7+dfsg-3=1:3.0.12+dfsg-1=1:3.0.12+dfsg-1ubuntu0.1~esm1=1:3.0.12+dfsg-1ubuntu0.1~esm2=1:3.0.12+dfsg-1ubuntu0.1~esm3=1:3.0.12+dfsg-1ubuntu0.1~esm4
Ubuntu:Pro:20.04:LTSmore threats →ghsa
zabbix
pkg:deb/ubuntu/zabbix?arch=source&distro=esm-apps/focal
Affected versions
=1:4.0.4+dfsg-1build2=1:4.0.4+dfsg-1build3=1:4.0.11+dfsg-1=1:4.0.14+dfsg-1=1:4.0.15+dfsg-1=1:4.0.16+dfsg-1=1:4.0.16+dfsg-1build1=1:4.0.17+dfsg-1=1:4.0.17+dfsg-1ubuntu0.1~esm1=1:4.0.17+dfsg-1ubuntu0.1~esm2
Ubuntu:Pro:22.04:LTSmore threats →ghsa
zabbix
pkg:deb/ubuntu/zabbix?arch=source&distro=esm-apps/jammy
Affected versions
=1:5.0.8+dfsg-1build1=1:5.0.14+dfsg-1=1:5.0.17+dfsg-1=1:5.0.17+dfsg-1ubuntu0.1~esm1
Ubuntu:26.10more threats →ghsa
zabbix
pkg:deb/ubuntu/zabbix?arch=source&distro=stonking
Affected versions
=1:7.0.22+dfsg-1=1:7.0.22+dfsg-1.1=1:7.0.22+dfsg-1.1build1=1:7.0.22+dfsg-1.1build2=1:7.0.27+dfsg-1
Ubuntu:26.04:LTSmore threats →ghsa
zabbix
pkg:deb/ubuntu/zabbix?arch=source&distro=resolute
Affected versions
=1:7.0.10+dfsg-2build1=1:7.0.22+dfsg-1

Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 10/18/2026, 00:29:14 UTC

Technical Analysis

CVE-2026-59787 identifies a vulnerability in the Perl SNMP trap receiver script shipped with Zabbix. The script fails to properly neutralize the ZBXTRAP record delimiter in incoming SNMP trap content. As a result, an attacker capable of sending SNMP traps can craft malicious trap content that injects records targeting other hosts, causing integrity issues within the system's trap processing.

Potential Impact

An attacker with the ability to send SNMP traps can exploit this vulnerability to inject crafted records that affect other hosts, resulting in compromised integrity of trap data. There is no indication of privilege escalation, confidentiality breach, or availability impact. The impact is limited to integrity loss in trap content processing.

Mitigation Recommendations

No patch or official fix information is provided in the available data. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict SNMP trap sources to trusted entities to reduce the risk of exploitation.

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Technical Details

Gcve Source
db.gcve.eu
Osv Id
UBUNTU-CVE-2026-59787
Osv Schema Version
1.7.0
Ecosystems
["Ubuntu:Pro:14.04:LTS","Ubuntu:Pro:16.04:LTS","Ubuntu:Pro:18.04:LTS","Ubuntu:Pro:20.04:LTS","Ubuntu:Pro:22.04:LTS","Ubuntu:26.10","Ubuntu:26.04:LTS"]
Cvss Version
4.0

Threat ID: 6ad3f5d72cdf04f656662e04

Added to database: 10/17/2026, 22:25:27 UTC

Last enriched: 10/18/2026, 00:29:14 UTC

Last updated: 10/18/2026, 00:29:14 UTC

Views: 2

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