CVE-2026-75897CWE-1284

CVE-2026-75897

High · published August 18, 2026

CVSS v3.1
7.5
EPSS
1%
Percentile
53.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
8.7 · 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
EPSS
0.00716 · 53.3th percentile
Weakness
CWE-1284 · Improper Validation of Specified Quantity in Input
Published
2026-08-18T21:17Z
References (2)
https://aws.amazon.com/security/security-bulletins/2026-082-aws/ · ff89ba41-3aa1-4d27-914a-91399e9639e5https://opensearch.org/downloads/ · ff89ba41-3aa1-4d27-914a-91399e9639e5
EPSS history
Timeline
  • 18 AUG 17:05Z
    Uncontrolled Resource Consumption in Capabilities Route in OpenSearch Dashboards
    cvelistv5