Vulnerability · Published Aug 18, 2026 · Assigned by Zabbix
CVE-2026-23937Host PSK extraction in Zabbix API
Medium 6.0
In plain English
A medium-severity security flaw in Zabbix from Zabbix. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 32% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 4.0)6.0Medium
Exploit odds (30 days)0.4%top 68.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
The Zabbix API host.get action can be exploited by authenticated users to extract a host's PSK key leading to potential loss of data integrity.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | zabbix | no fix listed | DEBIAN-CVE-2026-23937 |
| Debian:13 | zabbix | no fix listed | DEBIAN-CVE-2026-23937 |
| Debian:14 | zabbix | 1:7.0.29+dfsg-1 | DEBIAN-CVE-2026-23937 |
| Ubuntu:26.04:LTS | zabbix | no fix listed | UBUNTU-CVE-2026-23937 |
| Ubuntu:26.10 | zabbix | no fix listed | UBUNTU-CVE-2026-23937 |
Affected products (as reported)
Weakness: CWE-203 · Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N