---
id: "CVE-2026-101743"
kind: "vulnerability"
aliases: ["CVE-2026-101743"]
title: "MySQL Server GIS flaw lets low-privileged users crash the database"
severity: "medium"
cvss: 6.5
epss: null
exploited: false
status: "open"
category: "package"
products: []
ecosystems: []
tags: ["database", "mysql", "package", "self-hosted"]
not_affected_if: ["local-only-access", "unaffected-version"]
published_at: "2026-10-20T22:18:29+00:00"
first_seen_at: "2026-10-23T21:57:23+00:00"
updated_at: "2026-10-25T03:54:57+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-101743", "first_seen_at": "2026-10-23T21:57:23+00:00"}]
---

# MySQL Server GIS flaw lets low-privileged users crash the database

A flaw in the GIS component of MySQL Server and MySQL Cluster lets an attacker with a low-privilege account over the network cause a hang or repeatable crash. The impact is denial of service only; the sources report no confidentiality or integrity loss.

_Summary, check and fix written by a model from the sources; labelled as such._

## How to check

- Run `SELECT VERSION();` on the MySQL server and compare against the affected range 26.7.0 to 26.7.1
- For MySQL Cluster, check the installed version the same way on the cluster nodes

## Fix

- Move MySQL Server and MySQL Cluster to a release later than `26.7.1` once Oracle publishes one; the sources do not name the fixed version

## Timeline

- 2026-10-23T21:57:23+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-101743

## From the sources

Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: GIS).  Supported versions that are affected are MySQL Server: 26.7.0-26.7.1; MySQL Cluster: 26.7.0-26.7.1. Easily exploitable vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Server, MySQL Cluster.  Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server, MySQL Cluster. CVSS 3.1 Base Score 6.5 (Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).

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_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_