Vulnerability Description
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 Score
HIGH
Related Weaknesses (CWE)
References
- https://aws.amazon.com/security/security-bulletins/2026-079-aws/
- https://docs.aws.amazon.com/opensearch-service/latest/developerguide/service-sof
- https://github.com/opensearch-project/security-analytics/security/advisories/GHS
FAQ
What is CVE-2026-18952?
CVE-2026-18952 is a vulnerability with a CVSS score of 8.1 (HIGH). 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 loc...
How severe is CVE-2026-18952?
CVE-2026-18952 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-18952?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.