# OpenSearch Project OpenSearch Dashboards vulnerabilities

Source: https://junglewise.ai/threats/technologies/opensearch-dashboards  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 11 November 2026, 06:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/opensearch-dashboards.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 4 vulnerabilities in OpenSearch Project OpenSearch Dashboards: 1 in the last 7 days and 4 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-64686, was published on 11 November 2026. Nothing was published in the last eight weeks.

## Counts

- Last 7 days: 1
- Last 30 days: 1
- Last 90 days: 4
- All time: 4 (0 critical, 0 exploited in the wild)

## About OpenSearch Project OpenSearch Dashboards

Web-based visualization and exploration tool for OpenSearch.

## Latest OpenSearch Project OpenSearch Dashboards vulnerabilities

- [CVE-2026-64686: OpenSearch Dashboards Server-Side Request Forgery in data source endpoint validation](https://junglewise.ai/threats/cve-2026-64686-opensearch-dashboards-is-an-open-source-data-visualization-tool) (medium, CVSS 5, published 11 Nov 2026)
- [CVE-2026-75897: OpenSearch Dashboards uncontrolled resource consumption in capabilities route](https://junglewise.ai/threats/cve-2026-75897-opensearch-dashboards-uncontrolled-resource-consumption-in) (high, CVSS 7.5, published 9 Sep 2026)
- [CVE-2026-84942: OpenSearch Dashboards stored XSS via Vega expression function bypass](https://junglewise.ai/threats/cve-2026-84942-opensearch-dashboards-stored-xss-via-vega-expression-function) (high, CVSS 8.7, published 8 Sep 2026)
- [CVE-2026-18420: OpenSearch Dashboards TSVB plugin prototype pollution remote code execution](https://junglewise.ai/threats/cve-2026-18420-opensearch-dashboards-tsvb-plugin-prototype-pollution-remote-code) (high, CVSS 8.8, published 20 Aug 2026)

## Most severe OpenSearch Project OpenSearch Dashboards vulnerabilities

- [CVE-2026-18420: OpenSearch Dashboards TSVB plugin prototype pollution remote code execution](https://junglewise.ai/threats/cve-2026-18420-opensearch-dashboards-tsvb-plugin-prototype-pollution-remote-code) (high, CVSS 8.8, published 20 Aug 2026)
- [CVE-2026-84942: OpenSearch Dashboards stored XSS via Vega expression function bypass](https://junglewise.ai/threats/cve-2026-84942-opensearch-dashboards-stored-xss-via-vega-expression-function) (high, CVSS 8.7, published 8 Sep 2026)
- [CVE-2026-75897: OpenSearch Dashboards uncontrolled resource consumption in capabilities route](https://junglewise.ai/threats/cve-2026-75897-opensearch-dashboards-uncontrolled-resource-consumption-in) (high, CVSS 7.5, published 9 Sep 2026)
- [CVE-2026-64686: OpenSearch Dashboards Server-Side Request Forgery in data source endpoint validation](https://junglewise.ai/threats/cve-2026-64686-opensearch-dashboards-is-an-open-source-data-visualization-tool) (medium, CVSS 5, published 11 Nov 2026)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 1 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 2 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 1 | 0 | 0 |

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "OpenSearch Project OpenSearch Dashboards vulnerabilities", https://junglewise.ai/threats/technologies/opensearch-dashboards, 11 November 2026.