CVE-2026-49087

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Source
https://cve.org/CVERecord?id=CVE-2026-49087
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-49087.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-49087
Downstream
Published
2026-07-01T16:35:19.567Z
Modified
2026-07-21T23:25:23.384911Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
Allocation of Resources Without Limits or Throttling in Kibana Leading to Denial of Service
Details

Allocation of Resources Without Limits or Throttling (CWE-770) in Kibana can lead to a denial of service via Excessive Allocation (CAPEC-130). An authenticated user can submit a specially crafted bulk deletion request that causes excessive resource consumption, which may render Kibana unavailable.

Database specific 
{
    "cwe_ids": [
        "CWE-770"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/49xxx/CVE-2026-49087.json",
    "cna_assigner": "elastic",
    "unresolved_ranges": [
        {
            "source": "AFFECTED_FIELD",
            "extracted_events": [
                {
                    "introduced": "9.0.0"
                },
                {
                    "last_affected": "9.3.3"
                },
                {
                    "introduced": "8.0.0"
                },
                {
                    "last_affected": "8.19.14"
                }
            ]
        }
    ]
}
References

Affected packages

Git / github.com/elastic/elasticsearch

Affected ranges

Type
GIT
Repo
https://github.com/elastic/elasticsearch
Events
Introduced
1b6a7ece17463df5ff54a3e1302d825889aa1161
Fixed
d9256c374e649e04ff0fa2dafd43402d35a3fb3a
Introduced
112859b85d50de2a7e63f73c8fc70b99eea24291
Fixed
69a3e6c50ebb57a1fdbf3f235be9f11061ac7d86
Database specific 
{
    "cpe": "cpe:2.3:a:elastic:kibana:*:*:*:*:*:*:*:*",
    "source": "CPE_RANGE",
    "extracted_events": [
        {
            "introduced": "8.0.0"
        },
        {
            "fixed": "8.19.15"
        },
        {
            "introduced": "9.0.0"
        },
        {
            "fixed": "9.3.4"
        }
    ]
}

Database specific

vanir_signatures_modified 
"2026-07-21T23:25:23Z"
vanir_signatures 
[
    {
        "signature_type": "Function",
        "target": {
            "file": "x-pack/plugin/esql/src/test/java/org/elasticsearch/xpack/esql/analysis/AnalyzerTests.java",
            "function": "testPromqlQueryWithConflictingTsTypesMarksFieldUnsupported"
        },
        "deprecated": false,
        "source": "https://github.com/elastic/elasticsearch/commit/69a3e6c50ebb57a1fdbf3f235be9f11061ac7d86",
        "id": "CVE-2026-49087-0b400218",
        "signature_version": "v1",
        "digest": {
            "function_hash": "84433789544010315812246774005552675939",
            "length": 601.0
        }
    },
    {
        "signature_type": "Line",
        "target": {
            "file": "x-pack/plugin/esql/src/test/java/org/elasticsearch/xpack/esql/analysis/AnalyzerTests.java"
        },
        "deprecated": false,
        "source": "https://github.com/elastic/elasticsearch/commit/69a3e6c50ebb57a1fdbf3f235be9f11061ac7d86",
        "id": "CVE-2026-49087-53609d75",
        "signature_version": "v1",
        "digest": {
            "line_hashes": [
                "234163232951028422978085367395355015356",
                "336324895495804197828852394756872939000",
                "283658986481949763179231452461160578552",
                "90983762437915623732177975884360609784",
                "201530536742802531269305682045005216476",
                "171852364269482810748858037036789861963",
                "314462254603794552743574645931750044692",
                "295350290235740750339653402330741971858",
                "214199429833385077961909239085936134582",
                "165345166082600797091855140208265768837",
                "68922472427642386306783373118438221572"
            ],
            "threshold": 0.9
        }
    }
]
source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-49087.json"

Git / github.com/elastic/kibana

Affected ranges

Type
GIT
Repo
https://github.com/elastic/kibana
Events
Introduced
57ca5e139a33dd2eed927ce98d8231a1f217cd15
Fixed
d48edd90b6f2528225b2ad8633873238cce0df3b
Introduced
504d6bfa94cca17fabb76e06152c30c4f0c3efdd
Fixed
49d42f259436b65ab5297f19a65855bed082f302
Database specific 
{
    "cpe": "cpe:2.3:a:elastic:kibana:*:*:*:*:*:*:*:*",
    "source": "CPE_RANGE",
    "extracted_events": [
        {
            "introduced": "8.0.0"
        },
        {
            "fixed": "8.19.15"
        },
        {
            "introduced": "9.0.0"
        },
        {
            "fixed": "9.3.4"
        }
    ]
}

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-49087.json"