CVE-2026-75897 PUBLISHED

Uncontrolled Resource Consumption in Capabilities Route in OpenSearch Dashboards

Assigner: AMZN
Reserved: 18.08.2026 Published: 18.08.2026 Updated: 18.08.2026

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.

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS Score: 7.5

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	None
Privileges Required	None	Integrity Impact	None
User Interaction	None	Availability Impact	High

CVSS 3.1

CVSS Vector: 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
CVSS Score: 8.7

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	None	Confidentiality	None
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	None	Availability	High	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

Product Status

Vendor	OpenSearch
Product	OpenSearch Dashboards
Versions	Default: unaffected affected from 1.3 to 3.7.0 (incl.)

Vendor	AWS
Product	Amazon OpenSearch Service
Versions	Default: unaffected affected from 1.3 to 3.5 (incl.)

CVE-2026-75897 PUBLISHED

Uncontrolled Resource Consumption in Capabilities Route in OpenSearch Dashboards

Metrics

Product Status

References

Problem Types

Impacts