The vulnerability of the mechanism for preprocessing compressed HTTP requests in the Kibana data visualization service allows a attacker to cause a service failure.
🗓️ 25 Sep 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec🔗 bdu.fstec.ru👁 8 Views
| Reporter | Title | Published | Views | Family All 23 |
|---|---|---|---|---|
 | CVE-2026-42400 | 28 May 202619:42 | – | attackerkb |
 | CVE-2026-42400 | 29 May 202614:45 | – | circl |
 | Elastic Kibana 安全漏洞 | 28 May 202600:00 | – | cnnvd |
 | CVE-2026-42400 | 28 May 202619:42 | – | cve |
 | CVE-2026-42400 Uncontrolled Resource Consumption in Kibana Leading to Denial of Service | 28 May 202619:42 | – | cvelist |
 | Kibana 8.19.16, 9.3.5, 9.4.2 Security Update (ESA-2026-35) | 28 May 202619:25 | – | elastic |
 | EUVD-2026-33030 | 28 May 202619:42 | – | euvd |
 | Kibana 8.x < 8.19.16 / 9.0.x < 9.3.5 / 9.4.x < 9.4.2 Multiple Vulnerabilities (ESA-2026-35 / ESA-2026-38) | 4 Jun 202600:00 | – | nessus |
 | CVE-2026-42400 | 28 May 202621:16 | – | nvd |
 | BIT-ELK-2026-42400 Uncontrolled Resource Consumption in Kibana Leading to Denial of Service | 1 Jun 202611:39 | – | osv |
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25 Sep 2026 00:00Current
6.4Medium risk
Vulners AI Score6.4
CVSS 36.5
CVSS 26.8
EPSS0.00472