CVE-2026-23927

Agent 2 Oracle plugin TNS connection string injection via the 'service' parameter

State: Published
Severity: 5.1 Medium
Published: May 6, 2026
Updated: May 6, 2026
Reserved: Jan 19, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	5.1 Medium	CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:N/VI:L/VA:N/SC:H/SI:H/SA:N	Zabbix

Weaknesses

CWE-522 Insufficiently Protected Credentials

Affected Products

Product	Versions
ZabbixZabbix	6.0.0 through 6.0.44Affectedfrom 6.0.45Not affected 7.0.0 through 7.0.23Affectedfrom 7.0.24Not affected 7.4.0 through 7.4.7Affectedfrom 7.4.8Not affected

References

https://support.zabbix.com/browse/ZBX-27759

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