CVE-2026-18952: Missing Input Validation in Threat Intel Feed Parser in OpenSearch Security Analytics Plugin
AWS · Opensearch
Vendor fix available · Affected: AWS Opensearch · Exploitation: unlikely (under 1%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 44% of scored CVEs
DescriptionCVE.org
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 products2
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- AWS · Opensearchfrom 2.15.0 before 3.5.0
- Github · Opensearchfrom 2.15.0 before 3.7.0
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Unlikely (under 1%). EPSS under 1%, or no score yet.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Weakness
- Server-Side Request Forgery
- Vendor
- AWS
- Published
- August 2026
CoverageNo articles yet
No CyberSIXT article names CVE-2026-18952 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.