Distribution advisory
This page covers CVE-2026-23919 as tracked by Ubuntu, for the package zabbix. No fixed version has been recorded for this distribution yet.
How this vulnerability can be exploited
This issue can be reached from an adjacent network, attack complexity is low, an attacker needs administrative privileges on the target. No user interaction is required. Rated impact: confidentiality high, integrity low, availability low.
CVSS metrics in full
The score comes from this vector: CVSS:4.0/AV:A/AC:L/AT:P/PR:H/UI:N/VC:H/VI:L/VA:L/SC:H/SI:L/SA:L
- Attack vector: Adjacent network — the attacker has to sit on the same local or logical network.
- Attack complexity: Low — the attack works reliably, with no preparation.
- Attack requirements: Present — the target has to be in a particular state for the attack to work.
- Privileges required: High — administrative rights are needed first.
- User interaction: None — nobody has to be tricked into anything.
- Confidentiality impact: High — total loss, or loss the attacker controls.
- Integrity impact: Low — limited, and the attacker does not choose what is affected.
- Availability impact: Low — limited, and the attacker does not choose what is affected.
Weakness class
UBUNTU-CVE-2026-23919 is classified as CWE-488: Exposure of Data Element to Wrong Session. The product does not sufficiently enforce boundaries between the states of different sessions, causing data to be provided to, or used by, the wrong session.
Affected software
UBUNTU-CVE-2026-23919 is recorded against 1 package.
Timeline and source
Published on 24 March 2026 and last revised on 13 April 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.
References
ubuntu.com (Report)
www.cve.org (Report)
support.zabbix.com (Report)
Other advisories for this package
zabbix has other advisories on record. If you are patching this one, these are worth checking on the same host:
Same weakness in other software
These advisories are the same class of weakness (CWE-488: Exposure of Data Element to Wrong Session) in other software:
