Vulnerability · Published Aug 18, 2026 · Assigned by AMZN
CVE-2026-75897Uncontrolled Resource Consumption in Capabilities Route in OpenSearch Dashboards
High 7.5
In plain English
A high-severity security flaw in Amazon OpenSearch Service from AWS. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 54% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.7%top 46.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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 (as reported)
| Vendor | Product | Versions |
|---|---|---|
| OpenSearch | OpenSearch Dashboards | 1.3 – through 3.7.0 |
| AWS | Amazon OpenSearch Service | 1.3 – through 3.5 |
Weakness: CWE-1284 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H