| Name | CVE-2026-23923 |
| Description | An unauthenticated attacker can exploit the Frontend 'validate' action to blindly instantiate arbitrary PHP classes. The impact depends on environment setup but appears limited at this time. |
| 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) | bullseye | 1:5.0.8+dfsg-1 | fixed |
| bullseye (security) | 1:5.0.47+dfsg-0+deb11u1 | fixed |
| bookworm | 1:6.0.14+dfsg-1 | fixed |
| trixie | 1:7.0.22+dfsg-1~deb13u1 | fixed |
| forky, sid | 1:7.0.22+dfsg-1 | 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) | | | |
Notes
- zabbix <not-affected> (Only affects Zabbix 7.4 series)
https://support.zabbix.com/browse/ZBX-27641