CVE-2026-94399: CWE-400 Uncontrolled Resource Consumption in Elastic Elasticsearch
CVE-2026-94399 is an uncontrolled resource consumption vulnerability (CWE-400) in Elastic Elasticsearch that can lead to denial of service through excessive allocation of resources. It affects versions 8.0.0, 9.0.0, and 9.5.0. The vulnerability has a CVSS score of 6.5, indicating medium severity. There is no information about available patches or vendor advisories. No known exploits are reported in the wild.
AI Analysis
Technical Summary
This vulnerability in Elasticsearch involves uncontrolled resource consumption (CWE-400), which can cause denial of service conditions by excessive allocation of system resources (CAPEC-130). The CVSS 3.1 vector indicates it is remotely exploitable with low attack complexity and requires low privileges, but no user interaction. The impact is limited to availability with no confidentiality or integrity impact. Affected versions explicitly include 8.0.0, 9.0.0, and 9.5.0. No patch or remediation details are provided in the source data.
Potential Impact
Successful exploitation can cause denial of service by exhausting system resources, impacting availability of Elasticsearch services. There is no impact on confidentiality or integrity reported. No active exploitation is known.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, consider limiting access to Elasticsearch instances to trusted users and monitoring resource usage to detect potential exploitation attempts.
CVE-2026-94399: CWE-400 Uncontrolled Resource Consumption in Elastic Elasticsearch
Description
CVE-2026-94399 is an uncontrolled resource consumption vulnerability (CWE-400) in Elastic Elasticsearch that can lead to denial of service through excessive allocation of resources. It affects versions 8.0.0, 9.0.0, and 9.5.0. The vulnerability has a CVSS score of 6.5, indicating medium severity. There is no information about available patches or vendor advisories. No known exploits are reported in the wild.
CVSS v3.1
Score 6.5medium
Affected software
pkg:maven/org.elasticsearch/elasticsearchRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Elasticsearch involves uncontrolled resource consumption (CWE-400), which can cause denial of service conditions by excessive allocation of system resources (CAPEC-130). The CVSS 3.1 vector indicates it is remotely exploitable with low attack complexity and requires low privileges, but no user interaction. The impact is limited to availability with no confidentiality or integrity impact. Affected versions explicitly include 8.0.0, 9.0.0, and 9.5.0. No patch or remediation details are provided in the source data.
Potential Impact
Successful exploitation can cause denial of service by exhausting system resources, impacting availability of Elasticsearch services. There is no impact on confidentiality or integrity reported. No active exploitation is known.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, consider limiting access to Elasticsearch instances to trusted users and monitoring resource usage to detect potential exploitation attempts.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-w22c-qxrr-qv8r
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-94399"]
- Database Specific Severity
- MODERATE
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6ab89bd1f7a7c54106941fbc
Added to database: 09/27/2026, 04:30:09 UTC
Last enriched: 09/27/2026, 04:38:15 UTC
Last updated: 09/27/2026, 19:47:33 UTC
Views: 5
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