Vulnerability DatabaseCVE-2026-59786
Mend.io Vulnerability Database
The largest open source vulnerability database
What is a Vulnerability ID?
New vulnerability? Tell us about it!
CVE-2026-59786
Published:October 05, 2026
Updated:October 10, 2026
Zabbix Server and Proxy accept the active agent heartbeat message regardless of the configured PSK or certificate authentication. This means someone with access to the Zabbix trapper port can report an arbitrary host using an active agent as available, resulting in a loss of integrity.
Affected Packages
https://github.com/zabbix/zabbix.git (GITHUB):
Affected version(s) >=7.4.0alpha1 <7.4.13
Fix Suggestion:
Update to version 7.4.13
https://github.com/zabbix/zabbix.git (GITHUB):
Affected version(s) >=7.0.0alpha1 <7.0.29
Fix Suggestion:
Update to version 7.0.29
Related Resources (2)
https://support.zabbix.com/browse/ZBX-28196
https://nvd.nist.gov/vuln/detail/CVE-2026-59786
Do you need more information?
Contact Us
CVSS v4
Base Score:
6.9
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
LOW
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE
Weakness Type (CWE)
Improper Verification of Source of a Communication Channel
CWE-940
EPSS
Base Score:
0.20