CVE-2026-18952

Missing input validation in the threat intelligence feed parser in the OpenSearch Security Analytics plugin might allow an authenticated remote user to perform server-side request forgery and read local files via a crafted URL parameter to the threat intel source configuration endpoint.

CVSS v3 8.1 HIGH

8.1^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://aws.amazon.com/security/security-bulletins/2026-079-aws/
https://docs.aws.amazon.com/opensearch-service/latest/developerguide/service-software.html
https://github.com/opensearch-project/security-analytics/security/advisories/GHSA-w946-8jxc-6v3m

Configurations

No configuration.

History

No history.

Information

Published : 2026-08-12 19:17

Updated : 2026-08-21 19:17

NVD link : CVE-2026-18952

Mitre link : CVE-2026-18952

CVE.ORG link : CVE-2026-18952

JSON object : View

Products Affected

No product.

CWE

CWE-918

Server-Side Request Forgery (SSRF)

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