CVE-2026-59786

zabbix: Zabbix Server and Proxy accept the active agent heartbeat message regardless of the configured PSK or certificate aut...

CVE-2026-59786 is fixed in zabbix on 1 platform by DEBIAN-CVE-2026-59786 (version 1:7.0.29+dfsg-1), released October 6, 2026. It is not reported as exploited. Patch Radar priority: Routine.

Routine

CVSS

n/a

No vendor severity

Exploitation

None reported

No vendor assessment

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0020

10th percentile

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.

Where it's fixed

Product	Fixed in	Fix	Released
Linux
zabbix · Debian 14	1:7.0.29+dfsg-1	DEBIAN-CVE-2026-59786	Oct 6, 2026

Patch Radar data is free to use with attribution. Terms and how to credit it.

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.