CVE-2026-18952Missing Input Validation in Threat Intel Feed Parser in OpenSearch Security Analytics Plugin
Updated under an hour ago ()
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It affects AWS Opensearch and 1 other product. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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Free account, 1 product
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.
- CVSS
- 8.1 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
- Weakness (CWE)
- CWE-918
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- AMZN
- NVD analysis
- Awaiting Analysis
- Record last updated
- Aug 21, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
AWS Opensearch aws:opensearch (from the name) | from 2.15.0 before 3.5.0 | CNA record |
Github Opensearch github:opensearch (from the name) | from 2.15.0 before 3.7.0 | CNA record |
References
- https://docs.aws.amazon.com/opensearch-service/latest/developerguide/service-software.htmlpatch
- https://aws.amazon.com/security/security-bulletins/2026-079-aws/vendor-advisory, release-notes
- https://github.com/opensearch-project/security-analytics/security/advisories/GHSA-w946-8jxc-6v3mrelease-notes
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.