zabbix: A user able to connect to Agent 2 can inject an Oracle TNS connection string via the 'service' parameter
CVE-2026-23927 is fixed in zabbix on 1 platform by DEBIAN-CVE-2026-23927 (version 1:7.0.27+dfsg-1), released May 6, 2026. It is not reported as exploited. Patch Radar priority: Routine.
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.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| zabbix · Debian 14 | 1:7.0.27+dfsg-1 | DEBIAN-CVE-2026-23927 | May 6, 2026 |
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