Zabbix Agent 2 Oracle TNS Injection via Service Parameter
CVE-2026-23927 Published on May 6, 2026
Agent 2 Oracle plugin TNS connection string injection via the 'service' parameter
A user able to connect to Agent 2 can inject an Oracle TNS connection string via the 'service' parameter. This can lead to Agent 2 connecting to an attacker-controlled server and leaking Oracle database credentials if they are saved in a named session.
Vulnerability Analysis
CVE-2026-23927 can be exploited with network access, and requires user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity and availability.
Weakness Type
Insufficiently Protected Credentials
The product transmits or stores authentication credentials, but it uses an insecure method that is susceptible to unauthorized interception and/or retrieval.
Products Associated with CVE-2026-23927
Want to know whenever a new CVE is published for Zabbix? stack.watch will email you.
Affected Versions
Zabbix:- Version 6.0.0, <= 6.0.44 is affected.
- Version 7.0.0, <= 7.0.23 is affected.
- Version 7.4.0, <= 7.4.7 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.