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Type:
Defect (Security)
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Resolution: Fixed
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Priority:
Minor
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None
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Affects Version/s: None
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Component/s: API (A), Frontend (F)
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None
| CVE ID | CVE-2026-1199 |
| CVSS score | 6.9 (Medium) |
| CVSS vector | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N |
| Affected components | Frontend, API |
| Summary | API and Frontend login lockout race condition |
| Description | 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. |
| Known attack vectors | An attacker with access to Zabbix Frontend or Zabbix API can perform more password guesses than intended. |
| Affected and fix version/s | Affected: 6.0.0 - 6.0.46 → Fixed: 6.0.47 Affected: 7.0.0 - 7.0.27 → Fixed: 7.0.28 Affected: 7.4.0 - 7.4.11 → Fixed: 7.4.12 |
| Mitigation | Update the affected components to their respective fixed versions. |
| Workarounds | - |
| Acknowledgements | Zabbix wants to thank Vitaly Simonovich for submitting this report on the HackerOne bug bounty platform. |