CVE-2026-1199 is a vulnerability in Zabbix
Published on August 18, 2026
API and Frontend login lockout race condition
Zabbix API and Frontend login lockout mechanism has a flaw where several unsuccessful login requests are not properly counted towards the block counter if sent simultaneously, potentially allowing for more password guesses than intended.
Vulnerability Analysis
CVE-2026-1199 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity and availability.
Weakness Type
What is a Race Condition Vulnerability?
The program contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently.
CVE-2026-1199 has been classified to as a Race Condition vulnerability or weakness.
Products Associated with CVE-2026-1199
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Affected Versions
Zabbix:- Version 6.0.0, <= 6.0.46 is affected.
- Version 7.0.0, <= 7.0.27 is affected.
- Version 7.4.0, <= 7.4.11 is affected.