Description
Improper input validation in the dashboards-observability plugin in OpenSearch Dashboards allows a remote authenticated user with write permissions to OpenSearch Dashboards saved objects to execute arbitrary JavaScript in the context of other users' browser sessions by uploading a saved asset with arbitrary web content.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| AWS | Amazon OpenSearch Service | — | — |
| OpenSearch | OpenSearch Dashboards dashboards-observability plugin | < 3.4, < 2.19.6 | 3.4 |
References
- https://opensearch.org/artifacts/by-version/#release-3-4-0 patch
- https://opensearch.org/artifacts/by-version/#release-2-19-6 patch
- https://aws.amazon.com/security/security-bulletins/2026-088-aws/ vendor-advisory
- https://github.com/opensearch-project/dashboards-observability/security/advisories/GHSA-rmqx-r3wm-3px5 third-party-advisory