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THREAT OPSThreat News › [NVD] CVE-2026-18952 (HIGH 8.1) — 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 en

[NVD] CVE-2026-18952 (HIGH 8.1) — 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 en

mednvdPublished 2026-08-12

CVE-2026-18952 CVSS: 8.1 HIGH Published: 2026-08-12T19:17:31.507

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.

Indicators of compromise

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-18952