What’s Vulnerable › Vulnerabilities
CVE-2026-23927: Agent 2 Oracle plugin TNS connection string injection via the 'service' parameter
- Severity: medium (CVSS 6.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.2% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-05-06 · updated 2026-09-18
- Weakness: CWE-522
Description
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.
Affected products
- Zabbix: from 6.0.0 before 6.0.45; from 7.0.0 before 7.0.24; from 7.4.0 before 7.4.8 — fixed in 6.0.45, 7.0.24, 7.4.8
How to fix
Upgrade to a fixed version: Zabbix 6.0.45, 7.0.24, 7.4.8. Check the vendor advisory for mitigations.
References
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