Auth bypass in Zabbix
CVE-2025-27236
A regular Zabbix user can search other users in their user group via Zabbix API by select fields the user does not have access to view. This allows data-mining some field values the user does not have access to.
Vulnerability class: Broken Access Control
EPSS: 0.004 (27.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Zabbix — versions 6.0.38, 7.0.9, 7.2.3
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@zabbix.com (Vendor Advisory)
Frequently asked questions
- What is CVE-2025-27236?
- CVE-2025-27236 is a medium-severity vulnerability in Zabbix, classified under Incorrect Authorization. CVSS score: 6.5/10. Published 2025-10-03.
- How severe is CVE-2025-27236?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2025-27236 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.