What’s Vulnerable › Vulnerabilities

CVE-2026-75897: Uncontrolled Resource Consumption in Capabilities Route in OpenSearch Dashboards

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-18 · updated 2026-08-20
• Weakness: CWE-1284

Description

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.

Affected products

• AWS Amazon OpenSearch Service: from 1.3 through 3.5
• OpenSearch Dashboards: from 1.3 through 3.7.0

References

• https://aws.amazon.com/security/security-bulletins/2026-082-aws/
• https://opensearch.org/downloads/

Get alerted when CVE-2026-75897 or the next vulnerability affects your stack