CVE-2026-18952
Missing Input Validation in Threat Intel Feed Parser in OpenSearch Security Analytics Plugin
CVSS Score
8.1
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-918 |
| Vendor | aws |
| Product | opensearch |
| Published | Aug 12, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None
Affected Versions
AWS / Opensearch
2.15.0 < 3.5.0
Github / Opensearch
2.15.0 < 3.5.0