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  4. CVE 2026 59787 snmp trap injection in zabbixtrapreceiverpl
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Back to active CVEs
Medium · CVSS 5.3CVE-2026-59787

SNMP trap injection in zabbix_trap_receiver.plCVE-2026-59787

Answer in brief

CVE-2026-59787 records a Medium severity (CVSS 5.3) vulnerability in SNMP trap injection in zabbix_trap_receiver.pl. The current sources do not mark it as known exploited. The current feed maps Zabbix/Zabbix (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 5, 2026Updated Oct 5, 2026Source checked Oct 5, 2026First seen by HOL Oct 5, 2026Material review Oct 5, 2026
Upstream Advisory

Key facts

Risk
Medium · CVSS 5.3
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Not reported

Why this deserves its current priority

CVSS is 5.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Zabbix/Zabbix (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Zabbix/Zabbixgeneric>=6.0.0 <=6.0.47 || >=7.0.0 <=7.0.28 || >=7.4.0 <=7.4.12Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Zabbix/Zabbix.
  2. 2Review the reported fix. Source-reported solution: Update the affected components and replace the deployed zabbix_trap_receiver.pl with the fixed version.

Evidence timeline and material changes

  1. Published upstream

    Oct 5, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 5, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 5, 2026

Sources and claim methodology

  • Source referencesupport.zabbix.com
Upstream source 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.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • JavaScript preprocessing memory disclosureSame zabbix/zabbix package
  • Server DoS via binary itemsSame zabbix/zabbix package
  • Hidden host credentials inferable via multiselect.get filteringSame zabbix/zabbix package
  • Active agent heartbeat missing TLS checkSame zabbix/zabbix package
  • Stored XSS vulnerability in OAuth configuration formSame zabbix/zabbix package
  • WordPress Starter Templates plugin <= 4.7.7 - Cross Site Scripting (XSS) vulnerabilitySame generic ecosystem

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
CWE-143
Source
CVE List V5
Source checked
Oct 5, 2026
References
1 linked source
Open source record