The JavaScript preprocessing (Duktape) engine on Zabbix server has a vulnerability where a limited administrator is able to read raw heap data potentially resulting in leaked data from other running preprocessors not available to said administrator.
Advisories

No advisories yet.

Fixes

Solution

Update the affected components to their respective fixed versions.


Workaround

No workaround given by the vendor.

History

Mon, 05 Oct 2026 10:45:00 +0000

Type Values Removed Values Added
Description The JavaScript preprocessing (Duktape) engine on Zabbix server has a vulnerability where a limited administrator is able to read raw heap data potentially resulting in leaked data from other running preprocessors not available to said administrator.
Title JavaScript preprocessing memory disclosure
Weaknesses CWE-125
References
Metrics cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Zabbix

Published:

Updated: 2026-10-05T11:53:36.626Z

Reserved: 2026-07-07T08:30:49.859Z

Link: CVE-2026-59782

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-05T11:16:59.360

Modified: 2026-10-05T11:16:59.360

Link: CVE-2026-59782

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-05T11:30:17Z

Weaknesses