CVE-2026-56143

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Source

https://cve.org/CVERecord?id=CVE-2026-56143

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-56143.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2026-56143

Downstream

AZL (1)

AZL-98448

CGA (2)

MINI (18)

Published

2026-09-01T19:20:10Z

Modified

2026-09-06T03:46:11Z

Severity

4.9 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H CVSS Calculator

Summary

Allocation of Resources Without Limits or Throttling in Elasticsearch Leading to Denial of Service

Details

Allocation of Resources Without Limits or Throttling (CWE-770) in Elasticsearch can lead to a denial of service via Excessive Allocation (CAPEC-130). A user with elevated privileges can submit a specially crafted request that causes excessive memory consumption, which may render the affected node unavailable.

Database specific

{
    "cna_assigner":  "elastic",
    "cwe_ids":  [
        "CWE-770"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/56xxx/CVE-2026-56143.json",
    "unresolved_ranges":  [
        {
            "extracted_events":  [
                {
                    "introduced":  "8.0.0"
                },
                {
                    "last_affected":  "8.19.19"
                },
                {
                    "introduced":  "9.0.0"
                },
                {
                    "last_affected":  "9.2.8"
                }
            ],
            "source":  "AFFECTED_FIELD"
        }
    ]
}

References

Affected packages

Git / github.com/elastic/elasticsearch

Affected ranges

Type

GIT

Repo

https://github.com/elastic/elasticsearch

Events

Introduced

1b6a7ece17463df5ff54a3e1302d825889aa1161

Fixed

91f5381ece296ddc32b554f997269478b9224af8

Introduced

112859b85d50de2a7e63f73c8fc70b99eea24291

Fixed

17b451d8979a29e31935fe1eb901310350b30e62

Database specific

Show details

{
    "cpe":  "cpe:2.3:a:elastic:elasticsearch:*:*:*:*:*:*:*:*",
    "extracted_events":  [
        {
            "introduced":  "8.0.0"
        },
        {
            "fixed":  "8.19.20"
        },
        {
            "introduced":  "9.0.0"
        },
        {
            "fixed":  "9.3.0"
        }
    ],
    "source":  "CPE_RANGE"
}

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-56143.json"