CVE-2026-75897

HIGHCVSS 7.5/10EPSS 0.50%

Last modified

CVE-2026-75897 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 0.50% chance of exploitation in the next 30 days.

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.

Metrics

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
OpenSearchOpenSearch Dashboards>= 1.3, <= 3.7.0
AWSAmazon OpenSearch Service>= 1.3, <= 3.5

References

Timeline

Published
Last Modified
Status
Awaiting Analysis

Frequently Asked Questions

What is CVE-2026-75897?
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.
How severe is CVE-2026-75897?
CVE-2026-75897 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.50% probability of exploitation in the next 30 days.
How do I fix CVE-2026-75897?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST