To remediate this issue, users should upgrade to OpenSearch Dashboards 3.8 or later.
Project Subscriptions
No advisories yet.
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
Tue, 25 Aug 2026 20:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Thu, 20 Aug 2026 21:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Improper input validation in the Time Series Visual Builder (TSVB) plugin in OpenSearch Dashboards allows an authenticated remote user to execute arbitrary code on the server via a crafted JSON payload to the metrics visualization API endpoint. This issue is a form of prototype pollution that enables remote code execution. To remediate this issue, users should upgrade to OpenSearch Dashboards 3.8 or later. | |
| Title | RCE via Prototype Pollution in OpenSearch Dashboards | |
| First Time appeared |
Aws
Aws amazon Opensearch Service Opensearch Opensearch opensearch Dashboards |
|
| Weaknesses | CWE-1321 | |
| CPEs | cpe:2.3:a:aws:amazon_opensearch_service:*:*:*:*:*:*:*:* cpe:2.3:a:opensearch:opensearch_dashboards:*:*:*:*:*:*:*:* |
|
| Vendors & Products |
Aws
Aws amazon Opensearch Service Opensearch Opensearch opensearch Dashboards |
|
| References |
| |
| Metrics |
cvssV3_1
|
Projects
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Status: PUBLISHED
Assigner: AMZN
Published:
Updated: 2026-08-25T19:19:07.471Z
Reserved: 2026-07-30T18:11:08.464Z
Link: CVE-2026-18420
Updated: 2026-08-25T19:19:03.513Z
Status : Awaiting Analysis
Published: 2026-08-20T21:17:06.137
Modified: 2026-08-25T20:16:51.843
Link: CVE-2026-18420
No data.
OpenCVE Enrichment
Updated: 2026-08-21T01:30:05Z