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CVE-2026-33459

Uncontrolled Resource Consumption (CWE-400) in Kibana can lead to denial of service via Excessive Allocation (CAPEC-130). An authenticated user with access to the automatic import feature can submit specially crafted requests with excessively large input values. When multiple such requests are sent concurrently, the backend services become unstable, resulting in service disruption and deployment unavailability for all users.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:134124ed885781b956ff68160cbdda539386355d55115e333ca87cb98db436ea
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"defaultStatus":"unaffected","product":"Kibana","vendor":"Elastic","versions":[{"lessThanOrEqual":"9.3.2","status":"affected","version":"9.3.0","versionType":"semver"},{"lessThanOrEqual":"8.19.13","status":"affected","version":"8.15.0","versionType":"semver"},{"lessThanOrEqual":"9.2.7","status":"affected","version":"9.0.0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:703b617070fcaa2d4d8877bd32ddbe8f60747550449e6c34bfb145e84da9b6e8 · sha256:72015b66747f9514… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:703b617070fcaa2d4d8877bd32ddbe8f60747550449e6c34bfb145e84da9b6e8 · sha256:72015b66747f9514… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-400","description":"CWE-400 Uncontrolled Resource Consumption","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:703b617070fcaa2d4d8877bd32ddbe8f60747550449e6c34bfb145e84da9b6e8 · sha256:72015b66747f9514… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"url":"https://discuss.elastic.co/t/kibana-8-19-14-9-2-8-9-3-3-security-update-esa-2026-26/385814"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:703b617070fcaa2d4d8877bd32ddbe8f60747550449e6c34bfb145e84da9b6e8 · sha256:72015b66747f9514… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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