--- title: "CVE-2026-63393: OpenSearch SQL - Remote Code Execution" description: "OpenSearch SQL 2.x >= 2.8.0.0 < 2.19.6.0 and 3.x < 3.7.0.0 contain an insecure deserialization vulnerability caused by unsafe deserialization of untrusted data in the plugins/sql endpoint, letting remote authenticated users with read/search permissions execute arbitrary code on the server, exploit requires authenticated user with read/search permissions." url: https://panop.io/threat-heartbeat/CVE-2026-63393/ --- # CVE-2026-63393 OpenSearch SQL - Remote Code Execution OpenSearch SQL 2.x >= 2.8.0.0 < 2.19.6.0 and 3.x < 3.7.0.0 contain an insecure deserialization vulnerability caused by unsafe deserialization of untrusted data in the plugins/sql endpoint, letting remote authenticated users with read/search permissions execute arbitrary code on the server, exploit requires authenticated user with read/search permissions. CVSS base score 8.7 /10 High CISA KEV Not listed Public exploit None known Authentication Required EPSS 0.50% chance of exploitation in 30 days [View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-63393) ## Details Type Remote Code Execution Impact Remote Code Execution CVSS vector CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Published 30 October 2026 Updated 1 November 2026 Weakness [CWE-502](https://cwe.mitre.org/data/definitions/502.html) ## Vendor fix Update to versions 2.19.6.0 or 3.7.0.0 or later. Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them. ## References - [https://nvd.nist.gov/vuln/detail/CVE-2026-63393](https://nvd.nist.gov/vuln/detail/CVE-2026-63393) - [https://github.com/opensearch-project/sql/security/advisories/GHSA-r8cv-xvqm-4qj4](https://github.com/opensearch-project/sql/security/advisories/GHSA-r8cv-xvqm-4qj4) - [https://github.com/opensearch-project/sql/commit/402a284f1dff3545236480b67f860aa93fb667de](https://github.com/opensearch-project/sql/commit/402a284f1dff3545236480b67f860aa93fb667de) - [https://github.com/opensearch-project/sql/commit/9ab50384d3ad571a14211415fba2f6d26d4c80db](https://github.com/opensearch-project/sql/commit/9ab50384d3ad571a14211415fba2f6d26d4c80db) - [https://github.com/opensearch-project/sql/pull/5469](https://github.com/opensearch-project/sql/pull/5469) - [https://github.com/opensearch-project/sql/pull/5572](https://github.com/opensearch-project/sql/pull/5572) - [https://github.com/opensearch-project/sql/releases/tag/2.19.6.0](https://github.com/opensearch-project/sql/releases/tag/2.19.6.0) - [https://github.com/opensearch-project/sql/releases/tag/3.7.0.0](https://github.com/opensearch-project/sql/releases/tag/3.7.0.0) [← All CVEs](https://panop.io/threat-heartbeat/) ## What this record can't tell you - Whether you run the affected software, and where - Whether an attacker can actually reach and exploit it - The misconfigurations that never get a CVE number - What it would cost the business, ranked into what to fix first Panop answers these inside your environment, for this CVE and every other finding. [Book a demo](https://panop.io/demo)