CVE-2026-23934

Name	CVE-2026-23934
Description	An authenticated user is able to cause disproportionate CPU load on the Frontend webserver by sending specifically crafted requests to the Frontend validate.api.exists action, leading to potential denial of service.
Source	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
zabbix (PTS)	bookworm	1:6.0.14+dfsg-1	fixed
	trixie	1:7.0.22+dfsg-1~deb13u1	fixed
	forky, sid	1:7.0.29+dfsg-2	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
zabbix	source	(unstable)	(not affected)

- zabbix <not-affected> (Only affects 7.4.x)
https://support.zabbix.com/browse/ZBX-28072