CVE-2026-23927

MediumCVSS 6.5/10Last modified Sep 18, 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.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N

Weakness enumeration

CWE-522

Affected software

Vendor	Product	Versions
Zabbix	Zabbix	>= 6.0.0, <= 6.0.44; >= 7.0.0, <= 7.0.23; >= 7.4.0, <= 7.4.7

References

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

Timeline

Published: May 6, 2026
Last modified: Sep 18, 2026
NVD status: Analyzed

Related CVEs from 2026

CVE-2026-239286.8The Item history widget (in Zabbix 7.0+) or the Plain text widget (in Zabbix 6.0) can execute injected JavaScript when HTML display is enabl CVE-2026-239295.4Prototype pollution vulnerability in searchParamsToObject() is leading to a persistent XSS in Maps. URL parameter processing was not filteri CVE-2026-23937.1A Server-Side Request Forgery (SSRF) vulnerability exists in MLflow versions prior to 3.9.0. The `_create_webhook()` function in `mlflow/ser CVE-2026-239307.5An unauthenticated user is able to cause disproportionate CPU load on the Frontend webserver by sending specifically crafted requests to the CVE-2026-239314.3The frontend validatate.api.exists action can be exploited by authenticated users to extract plaintext user macro values leading to potentia CVE-2026-239339.1In Zabbix 7.4 the cryptographic key used for signing Frontend sessions has been erroneously written to the database seed. Currently the only CVE-2026-239346.5An authenticated user is able to cause disproportionate CPU load on the Frontend webserver by sending specifically crafted requests to the F CVE-2026-239354.9A Zabbix administrator is able to read out of bounds memory by utilizing a flaw in script item/preprocessing (JavaScript) HttpRequest logic,CVE-2026-239376.5The Zabbix API host.get action can be exploited by authenticated users to extract a host's PSK key leading to potential loss of data integri CVE-2026-239384.9An authenticated administrator is able to crash Zabbix server or proxy by creating specifically crafted preprocessing/script item JavaScript CVE-2026-239397.5Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in hexpm hexpm/hexpm ('Elixir.Hexpm.Store.Local CVE-2026-23946.5Buffer Over-read vulnerability in RTI Connext Professional (Core Libraries) allows Overread Buffers. This issue affects Connext Professional