Uncontrolled Resource Consumption in Elasticsearch Leading to denial of service
Priority LOW 28CWE-400Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Deferred Red Hat: fix deferred
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-400.
Summary
Uncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead denial of service via Excessive Allocation (CAPEC-130)
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0024 15th percentileScored 2026-11-07
Fix Deferred Red Hat: fix deferred
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Elastic | Elasticsearch | 8.0.0 – 8.19.21; 9.0.0 – 9.4.6; 9.5.0 – 9.5.3 | — | No fix listed | CNA |
- Elasticsearch VendorElastic Affected 8.0.0 – 8.19.21; 9.0.0 – 9.4.6; 9.5.0 – 9.5.3 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:elastic:elasticsearch:*:*:*:*:*:*:*:* | 8.0.0 to before 8.19.22; 9.0.0 to before 9.4.7; 9.5.0 to before 9.5.4 | Vulnerable | Elastic |
- cpe:2.3:a:elastic:elasticsearch:*:*:*:*:*:*:*:* Versions 8.0.0 to before 8.19.22; 9.0.0 to before 9.4.7; 9.5.0 to before 9.5.4 Vulnerable ·Elastic
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat OpenShift AI (RHOAI) | Affected | No fix yet: Fix deferred |
Not affected: 1 product
- Red Hat Quay 3
Timeline
- 2026-10-02 Threatist record created from CVE-2026-94397
- 2026-10-03 Alias added: GHSA-qqjf-f3h2-m87p
References
More Elasticsearch vulnerabilities
- TI-2015-01295 The Groovy scripting engine in Elasticsearch before 1.3.8 and 1.4.x before 1.4.3 allows… KEVCVSS 3.1CRITICAL 9.8
- TI-2014-02491 The default configuration in Elasticsearch before 1.2 enables dynamic scripting, which… KEVCVSS 3.1HIGH 8.1
- TI-2023-15037 Elasticsearch StackOverflow vulnerability CVSS 3.1HIGH 7.5
- TI-2021-05135 Information disclosure in Elasticsearch CVSS 3.1MEDIUM 6.5
- TI-2021-05136 All versions of Elastic Cloud Enterprise has the Elasticsearch “anonymous” user enabled… CVSS 3.1HIGH 7.5
- TI-2015-04530 Elasticsearch before 1.6.1 allows remote attackers to execute arbitrary code via… CVSS 3.0CRITICAL 9.8
Sources
- CVE-2026-94397 · CVE Program
- CVE-2026-94397 · NVD
- FIRST EPSS
- GHSA-qqjf-f3h2-m87p · GitHub Advisory Database · CC BY 4.0
- CVE-2026-94397 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences