CVE-2026-18952: Missing Input Validation in Threat Intel Feed Parser in OpenSearch Security Analytics Plugin
High · CVSS 8.1 (CVSS 3.1)EPSS 0.52%, 44th percentilePublished Updated Assigner: AMZN
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.
Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N · CWE-918
Tracked companies
Mapped from the CVE’s affected-product data, NVD CPE matches, vendor advisories or package feeds. A mapping means the vendor’s software is named, not that its hosted service was exposed.
Status incidents that name it
No tracked status incident names this CVE.
Affected vendors and products
AWS: OpensearchGithub: Opensearch
References
- CVE record on cve.org (opens in new tab)
- NVD entry (opens in new tab)
- aws.amazon.com/security/security-bulletins/2026-079-aws/ (opens in new tab)
- docs.aws.amazon.com/opensearch-service/latest/developerguide/service-software.html (opens in new tab)
- github.com/opensearch-project/security-analytics/security/advisories/GHSA-w946-8… (opens in new tab)
- CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (opens in new tab)
- This product uses data from the NVD API but is not endorsed or certified by the NVD. (opens in new tab)
- Known Exploited Vulnerabilities catalog from CISA. (opens in new tab)
- EPSS scores from FIRST (Exploit Prediction Scoring System). (opens in new tab)