CVE-2026-23937

Analyzed Analyzed - Analysis Complete

Unauthorized PSK Key Exposure via Zabbix API host.get

Publication date: 2026-08-18

Last updated on: 2026-09-23

Assigner: Zabbix

Description

The Zabbix API host.get action can be exploited by authenticated users to extract a host's PSK key leading to potential loss of data integrity.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-08-18

Last Modified

2026-09-23

Generated

2026-09-28

AI Q&A

2026-08-18

EPSS Evaluated

2026-09-27

NVD

CVE-2026-23937

EUVD

EUVD-2026-60740

Affected Vendors & Products

Vendor	Product	Version / Range
zabbix	zabbix	From 6.0.0 (inc) to 6.0.47 (exc)
zabbix	zabbix	From 7.0.0 (inc) to 7.0.28 (exc)
zabbix	zabbix	From 7.4.0 (inc) to 7.4.12 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-203	The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor, which exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not.

Attack-Flow Graph

Executive Summary

This vulnerability in the Zabbix API allows authenticated users to extract a host's PSK key through the host.get action. PSK keys are used for secure communication, and their exposure could lead to unauthorized access or data breaches.

Detection Guidance

To detect this vulnerability, check Zabbix API logs for unauthorized host.get actions by authenticated users. Look for PSK key exposure attempts in API request logs or database queries.

Impact Analysis

If exploited, this vulnerability could allow attackers to decrypt communications, gain unauthorized access to systems, or manipulate data. This may result in data breaches, loss of sensitive information, or disruption of services.

Compliance Impact

This vulnerability could lead to non-compliance with GDPR or HIPAA by exposing sensitive data. GDPR requires protection of personal data, while HIPAA mandates safeguards for health information. A breach could result in legal penalties or reputational damage.

Mitigation Strategies

Immediately restrict API access to trusted users only. Review and audit all API user permissions, especially those with host management privileges. Disable or monitor the host.get action if not required.

Hi! I’m here to help you understand CVE-2026-23937. Ask me anything about the vulnerability, its impact, or mitigation strategies.

0/70