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Medium 6.9Published Oct 5, 2026
CVE-2026-59782JavaScript preprocessing memory disclosure
Updated under an hour ago ()
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It affects Zabbix. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 6.9 MEDIUM (v4.0, CNA)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
- Weakness (CWE)
- CWE-125
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Zabbix
- NVD analysis
- Awaiting Analysis
- Record last updated
- Oct 5, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Zabbix Zabbix zabbix:zabbix (from the name) | from 6.0.0 through 6.0.47; fixed at 6.0.48; from 7.0.0 through 7.0.28; fixed at 7.0.29; from 7.4.0 through 7.4.12; fixed at 7.4.13 | CNA record |
References
- https://support.zabbix.com/browse/ZBX-28193
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.