Junglewise Threat Intelligence

CVE-2026-18952: OpenSearch Security Analytics Plugin missing input validation

CVE-2026-18952 · Severity: high · Published 2026-09-09

Executive brief

OpenSearch Security Analytics Plugin contains a missing input validation vulnerability that could allow an attacker to submit malformed or malicious data to the analytics component. Depending on how the plugin processes this data, an attacker could potentially achieve code execution, data exposure, or cause service disruption.

Technical details

The vulnerability is a missing input validation issue in the OpenSearch Security Analytics Plugin. The plugin fails to adequately validate user-supplied input before processing it, which could allow an attacker to submit malformed or malicious data to the analytics component. The attack vector and specific impact depend on the plugin's architecture and how it processes the unvalidated input; potential consequences could range from injection attacks to denial of service. No evidence of active exploitation in the wild has been reported. Patch or mitigation guidance from AWS should be consulted for remediation details.

Affected products

  • AWS OpenSearch Security Analytics Plugin

Timeline

  • 2026-09-09: disclosed

References

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