4.9

CVE-2026-94408: elastic elasticsearch Uncontrolled Resource Consumption

CVSS: 4.9v3.1MediumAnalyzed
AliasesCGA-2pmg-8wvg-5f5cCGA-5g6r-6rxp-5fvqCGA-9fmc-8p22-73jj
Published 26-09-2026Last modified 26-09-2026
Open JSON

Vulnerability summary

CVE-2026-94408 is a medium (CVSS 4.9) Uncontrolled Resource Consumption vulnerability in elastic elasticsearch. EPSS estimates a 0.44% chance of exploitation in the next 30 days, higher than 37.1% of scored vulnerabilities.

Overall risk
20/100
0100
Low · default modelHow is this calculated?
CVSS score
4.9/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.44%
0%100%
Low · Change unavailable
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 26-09-2026
    PublishedVulnerability first disclosed.
  2. 26-09-2026
    Last modifiedVulnerability information updated.

Description

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

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.44%

Chance of exploitation in the next 30 days

Percentile

37%

Versus all other CVEs

30-day change

Change unavailable

Change unavailable

27-09-202621-10-2026
EPSS score
0.44%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Chainguard6 products
  • elasticsearch-9.2All versions (No fix recorded)
  • elasticsearch-9.3All versions (No fix recorded)
  • ruby3.2-elasticsearchAll versions (No fix recorded)
  • ruby3.3-elasticsearchAll versions (No fix recorded)
  • ruby3.4-elasticsearchAll versions (No fix recorded)
Wolfi4 products
  • ruby3.2-elasticsearchAll versions (No fix recorded)
  • ruby3.3-elasticsearchAll versions (No fix recorded)
  • ruby3.4-elasticsearchAll versions (No fix recorded)
  • ruby4.0-elasticsearchAll versions (No fix recorded)
Elastic1 product
  • elasticsearch≥ 8.0.0, ≤ 8.19.21 | ≥ 9.0.0, ≤ 9.4.6 | ≥ 9.5.0, ≤ 9.5.2 | ≥ 8.0.0, < 8.19.22 | ≥ 9.0.0, < 9.4.7 | ≥ 9.5.0, < 9.5.3

3 vendors · 11 products

References

1 links