CVE-2026-18952
8.6
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| AWS | Opensearch | 2.15.0 < 3.5.0 | affected |
| Github | Opensearch | 2.15.0 < 3.5.0 | affected |
Weaknesses
- CWE-918: CWE-918 Server-Side request forgery (SSRF)
References
- https://docs.aws.amazon.com/opensearch-service/latest/developerguide/service-software.html
- https://aws.amazon.com/security/security-bulletins/2026-079-aws/
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