Vulnerability-Lookup

CVE-2026-75897 (GCVE-0-2026-75897)

Vulnerability from cvelistv5 – Published: 2026-08-18 17:05 – Updated: 2026-08-18 19:21

Title

Uncontrolled Resource Consumption in Capabilities Route in OpenSearch Dashboards

Summary

Improper input validation in the capabilities route handler in OpenSearch Dashboards - the size of the request payload is not bounded - might allow remote attackers to cause a denial of service via a crafted HTTP request.

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

8.7 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-18 19:10 UTC

CWE

CWE-1284 - Improper Validation of Specified Quantity in Input

Assigner

AMZN mitre root

References

2 references

URL	Tags
https://aws.amazon.com/security/security-bulletin…	vendor-advisory
https://opensearch.org/downloads/	patch

Impacted products

2 products

Vendor	Product	Version	CPE status
OpenSearch	OpenSearch Dashboards	Affected: 1.3 , ≤ 3.7.0 (custom) cpe:2.3:a:opensearch:opensearch_dashboards::::::::
AWS	Amazon OpenSearch Service	Affected: 1.3 , ≤ 3.5 (custom) cpe:2.3:a:aws:amazon_opensearch_service::::::::

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-75897

Vulnerability from fkie_nvd - Published: 2026-08-18 17:17 - Updated: 2026-08-20 13:01

Severity

7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Summary

References

	URL	Tags
	ff89ba41-3aa1-4d27-914a-91399e9639e5	https://aws.amazon.com/security/security-bulletins/2026-082-aws/
	ff89ba41-3aa1-4d27-914a-91399e9639e5	https://opensearch.org/downloads/

Impacted products

	Vendor	Product	Version

JSON

To clipboard

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          "defaultStatus": "unaffected",
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      "description": [
        {
          "lang": "en",
          "value": "CWE-1284"
        }
      ],
      "source": "ff89ba41-3aa1-4d27-914a-91399e9639e5",
      "type": "Secondary"
    }
  ]
}

GHSA-XV32-Q7MJ-P5X2

Vulnerability from github – Published: 2026-08-18 18:32 – Updated: 2026-08-18 18:32

Details

Severity

7.5 (High)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

8.7 (High)


                  
                    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Show details on source website

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{
  "affected": [],
  "aliases": [
    "CVE-2026-75897"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-1284"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-18T17:17:03Z",
    "severity": "HIGH"
  },
  "details": "Improper input validation in the capabilities route handler in OpenSearch Dashboards - the size of the request payload is not bounded - might allow remote attackers to cause a denial of service via a crafted HTTP request.",
  "id": "GHSA-xv32-q7mj-p5x2",
  "modified": "2026-08-18T18:32:01Z",
  "published": "2026-08-18T18:32:01Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-75897"
    },
    {
      "type": "WEB",
      "url": "https://aws.amazon.com/security/security-bulletins/2026-082-aws"
    },
    {
      "type": "WEB",
      "url": "https://opensearch.org/downloads"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2026-75897 (GCVE-0-2026-75897)

FKIE_CVE-2026-75897

GHSA-XV32-Q7MJ-P5X2

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Nomenclature

Related by attack behaviour