← Vulnerability feed

Vulnerability record · CVE-2026-75897 · published 18 August 2026

CVE-2026-75897: Improper input validation in the capabilities route handler in OpenSearch Dashboards - the size of the request…

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.

8.7 CVSS 4.0 High EPSS 0.72% · top 48.1% CWE-1284 · CWE-1284 Awaiting Analysis
8.7CVSS 4.0 base score
0.72%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
2References
20 Aug 2026Last modified by NVD

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.

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:

References

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

Track CVE-2026-75897 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.8CVE-2010-3904Linux Kernel RDS rds_page_copy_user Improper Input Validation Privilege EscalationThe rds_page_copy_user function in net/rds/page.c in the Linux kernel before 2.6.36 fails to properly validate addresses obtained from user space. A …KEVEPSS 14%analysed9.8CVE-2022-20699Cisco Small Business RV Series Routers Stack Buffer OverflowCisco Small Business RV160, RV260, RV340 and RV345 series routers contain a stack-based buffer overflow (CWE-121) that can be triggered remotely with…KEVEPSS 72%analysed

Source: NIST National Vulnerability Database (record CVE-2026-75897), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.