CVE-2026-23927 MEDIUM

CVE-2026-23927: Agent 2 Oracle plugin TNS connection string injection via the 'service' parameter

Vendor Zabbix
Product Zabbix
Weakness CWE-522 · Insufficiently protected credentials
Published May 6, 2026
Last update May 6, 2026
View on NVD All CVEs

CVSS base score

5.1/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality —
Integrity —

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

May 6, 2026 CVE published
May 6, 2026 Record updated