CVE-2026-23938

2.1 lowEPSS 0.5%

Low (2.1) in zabbix zabbix. EPSS 0.5% chance of exploitation in the next 30 days.

An authenticated administrator is able to crash Zabbix server or proxy by creating specifically crafted preprocessing/script item JavaScript scripts, leading to potential denial of service.

Severity

CVSS 4.0

2.1 low

CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

CVSS 3.1

4.9 medium

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 42% of CVEs (scores of 2026-10-31)
CWE: CWE-248
Published: 2026-08-18
Modified: 2026-09-23
Record from: the NVD, synced 2026-10-19

Affected

zabbix:zabbix

References

https://support.zabbix.com/browse/ZBX-28075

Check your stack JSON