CVE-2026-94397: CWE-400 Uncontrolled Resource Consumption in Elastic Elasticsearch
CVE-2026-94397 is an uncontrolled resource consumption vulnerability (CWE-400) in Elastic Elasticsearch that can lead to denial of service through excessive allocation of resources. The vulnerability affects Elasticsearch versions 8.0.0, 9.0.0, and 9.5.0. It has a CVSS 3.1 score of 6.5, indicating a medium severity impact focused on availability disruption. There is no indication of confidentiality or integrity impact. No official patch or remediation guidance is provided in the available data.
AI Analysis
Technical Summary
This vulnerability in Elasticsearch involves uncontrolled resource consumption (CWE-400), which can be exploited to cause denial of service by excessive allocation of system resources (CAPEC-130). The CVSS 3.1 vector indicates the attack requires network access with low complexity and privileges but no user interaction, impacting availability only. Affected versions explicitly include 8.0.0, 9.0.0, and 9.5.0. No known exploits in the wild or vendor patches are currently documented.
Potential Impact
The primary impact is denial of service due to excessive resource consumption, which can degrade or disrupt Elasticsearch service availability. There is no impact on confidentiality or integrity according to the CVSS vector and description.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, monitor resource usage and consider limiting resource allocation or access privileges as a temporary measure.
CVE-2026-94397: CWE-400 Uncontrolled Resource Consumption in Elastic Elasticsearch
Description
CVE-2026-94397 is an uncontrolled resource consumption vulnerability (CWE-400) in Elastic Elasticsearch that can lead to denial of service through excessive allocation of resources. The vulnerability affects Elasticsearch versions 8.0.0, 9.0.0, and 9.5.0. It has a CVSS 3.1 score of 6.5, indicating a medium severity impact focused on availability disruption. There is no indication of confidentiality or integrity impact. No official patch or remediation guidance is provided in the available data.
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 be exploited to cause denial of service by excessive allocation of system resources (CAPEC-130). The CVSS 3.1 vector indicates the attack requires network access with low complexity and privileges but no user interaction, impacting availability only. Affected versions explicitly include 8.0.0, 9.0.0, and 9.5.0. No known exploits in the wild or vendor patches are currently documented.
Potential Impact
The primary impact is denial of service due to excessive resource consumption, which can degrade or disrupt Elasticsearch service availability. There is no impact on confidentiality or integrity according to the CVSS vector and description.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, monitor resource usage and consider limiting resource allocation or access privileges as a temporary measure.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-qqjf-f3h2-m87p
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-94397"]
- Database Specific Severity
- MODERATE
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6ab89bd1f7a7c54106941fbd
Added to database: 09/27/2026, 04:30:09 UTC
Last enriched: 09/27/2026, 04:38:18 UTC
Last updated: 09/27/2026, 17:47:33 UTC
Views: 4
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.