CVE-2026-42400
- Source
- https://cve.org/CVERecord?id=CVE-2026-42400
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-42400.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2026-42400
- Aliases
- Downstream
- Published
- 2026-05-28T19:42:11.414Z
- Modified
- 2026-06-18T04:13:27.919686824Z
- Severity
-
- 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
- Summary
- Uncontrolled Resource Consumption in Kibana Leading to Denial of Service
- Details
-
Uncontrolled Resource Consumption (CWE-400) in Kibana can lead to denial of service via Excessive Allocation (CAPEC-130). An authenticated user can send a specially crafted compressed request payload that is processed prior to authorization checks, causing excessive memory and CPU resource consumption that can result in a Kibana instance becoming unresponsive or crashing.
- Database specific
{ "cna_assigner": "elastic", "unresolved_ranges": [ { "source": "AFFECTED_FIELD", "extracted_events": [ { "introduced": "9.4.0" }, { "last_affected": "9.4.1" }, { "introduced": "9.0.0" }, { "last_affected": "9.3.4" }, { "introduced": "8.0.0" }, { "last_affected": "8.19.15" } ] } ], "cwe_ids": [ "CWE-400" ], "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/42xxx/CVE-2026-42400.json" }- References
Affected packages
Git / github.com/elastic/elasticsearch
Affected ranges
- Type
- GIT
- Repo
- https://github.com/elastic/elasticsearch
- Events
- Database specific
{ "cpe": "cpe:2.3:a:elastic:kibana:*:*:*:*:*:*:*:*", "source": "CPE_RANGE", "extracted_events": [ { "introduced": "8.0.0" }, { "fixed": "8.19.16" }, { "introduced": "9.0.0" }, { "fixed": "9.3.5" }, { "introduced": "9.4.0" }, { "fixed": "9.4.2" } ] }
Git / github.com/elastic/kibana
Affected ranges
- Type
- GIT
- Repo
- https://github.com/elastic/kibana
- Events
- Database specific
{ "cpe": "cpe:2.3:a:elastic:kibana:*:*:*:*:*:*:*:*", "source": "CPE_RANGE", "extracted_events": [ { "introduced": "8.0.0" }, { "fixed": "8.19.16" }, { "introduced": "9.0.0" }, { "fixed": "9.3.5" }, { "introduced": "9.4.0" }, { "fixed": "9.4.2" } ] }