Improper input validation in the dashboards-observability plugin in OpenSearch Dashboards allows a remote authenticated user with write permissions to OpenSearch Dashb…

Code

The project this record applies to. Exploit listings stay in References.

• Repository · github.com

Timeline

Detection, updates, and resolution for this record.

1. Aug 21, 2026 · NIST NVD

   Detected

   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.

2. Oct 14, 2026 · NIST NVD

   Updated

   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.

Sources

• CVE.orgVulnerability recordCVE-2026-77811

  Official CVE identifier

  cve.org
• FIRST EPSSExploitation probabilityCVE-2026-77811

  30-day exploitation probability 0.5%

  first.org
• NIST NVDVulnerability recordCVE-2026-77811

  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

  nvd.nist.gov

References

• Reference · aws.amazon.com
• Reference · github.com
• Reference · opensearch.org
• Reference · opensearch.org