All vulnerabilities
CVE-2026-94408

Uncontrolled Resource Consumption in Elasticsearch Leading to denial of service

Elastic ElasticsearchDatabases
Open in ThreatlineRecord JSON
CVSS
4.9Medium
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.44%Chance of exploitation activity in the next 30 days, higher than 37% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
Published26 Sep 2026Updated 26 Sep 2026CVE List

What fixes it

No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.

Description

Uncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead denial of service via Excessive Allocation (CAPEC-130)

Text from CVE List

Affected versions 3

  • Elasticsearchaffected: 8.0.0 through 8.19.21CVE List
  • Elasticsearchaffected: 9.0.0 through 9.4.6CVE List
  • Elasticsearchaffected: 9.5.0 through 9.5.2CVE List

References 1