# OpenSearch Project vulnerabilities Source: https://junglewise.ai/threats/vendors/opensearch-project Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats Updated: 12 November 2026, 03:07 UTC. Rebuilt every hour. Data: https://junglewise.ai/threats/vendors/opensearch-project.json License: CC BY 4.0 with a link back Junglewise Threat Intelligence has tracked 7 vulnerabilities in OpenSearch Project: 1 in the last 7 days and 6 in the last 90 days, 1 of them critical and 0 exploited in the wild. The most recent, CVE-2026-64686, was published on 11 November 2026. 1 vulnerability in the last four weeks, up from none in the four before. 1 technology has a page of its own. ## Counts - Last 7 days: 1 - Last 30 days: 2 - Last 90 days: 6 - All time: 7 (1 critical, 0 exploited in the wild) ## About OpenSearch Project Open-source search and analytics engine forked from Elasticsearch, maintained by AWS and community contributors. ## Latest OpenSearch Project 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-2026-63393: OpenSearch SQL unsafe deserialization in cursor parameter](https://junglewise.ai/threats/cve-2026-63393-opensearch-sql-supports-querying-opensearch-data-using-sql-and) (info, published 30 Oct 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-2026-83497: OpenSearch SQL Plugin unrestricted Java deserialization in cursor pagination](https://junglewise.ai/threats/cve-2026-83497-opensearch-sql-plugin-unrestricted-java-deserialization-in-cursor) (high, CVSS 8.8, published 31 Aug 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) - [OpenSearch Project opensearch-js embedded malicious code](https://junglewise.ai/threats/opensearch-project-opensearch-js-embedded-malicious-code-9b462f18) (critical, CVSS 9.6, published 19 May 2026) ## Most severe OpenSearch Project vulnerabilities - [OpenSearch Project opensearch-js embedded malicious code](https://junglewise.ai/threats/opensearch-project-opensearch-js-embedded-malicious-code-9b462f18) (critical, CVSS 9.6, published 19 May 2026) - [CVE-2026-83497: OpenSearch SQL Plugin unrestricted Java deserialization in cursor pagination](https://junglewise.ai/threats/cve-2026-83497-opensearch-sql-plugin-unrestricted-java-deserialization-in-cursor) (high, CVSS 8.8, published 31 Aug 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) - [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) - [CVE-2026-63393: OpenSearch SQL unsafe deserialization in cursor parameter](https://junglewise.ai/threats/cve-2026-63393-opensearch-sql-supports-querying-opensearch-data-using-sql-and) (info, published 30 Oct 2026) ## Vulnerabilities per week 1 vulnerability in the last four weeks, up from none in the four before. | Week of | Vulns | Critical | Exploited | | --- | --- | --- | --- | | 17 Aug 2026 | 1 | 0 | 0 | | 24 Aug 2026 | 0 | 0 | 0 | | 31 Aug 2026 | 1 | 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 | 1 | 0 | 0 | | 2 Nov 2026 | 0 | 0 | 0 | | 9 Nov 2026 | 1 | 0 | 0 | ## OpenSearch Project technologies - [OpenSearch Project OpenSearch Dashboards](https://junglewise.ai/threats/technologies/opensearch-dashboards): 4 vulnerabilities ## 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 vulnerabilities", https://junglewise.ai/threats/vendors/opensearch-project, 12 November 2026.