---
id: CVE-2026-72731
title: Discourse is an open-source discussion platform
summary: >-
  Discourse is an open-source discussion platform. From 2026.1.0-latest until
  2026.1.7, 2026.6.2, 2026.7.1, and 2026.8.0-latest.1, anyone able to run a
  parameterized Data Explorer query, including non-staff members of a group a
  query is sh…
severity: high
cvss: 7.1
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N'
cwe:
  - CWE-89
published: '2026-08-10'
updated: '2026-09-08'
sourceUpdated: '2026-09-08T20:54:37.790'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-72731'
references:
  - url: >-
      https://github.com/discourse/discourse/commit/2bdab888cef561348470dee204a4879d83fbb5c3
    label: security-advisories@github.com
  - url: >-
      https://github.com/discourse/discourse/commit/3dc7f0da7aa18548281152e285244efb1cc8ad0d
    label: security-advisories@github.com
  - url: >-
      https://github.com/discourse/discourse/commit/674ba6fc64184fd7d8e21183c5d8cb22367faa6e
    label: security-advisories@github.com
  - url: >-
      https://github.com/discourse/discourse/commit/ce9ccf24ec3538172dc8f8199728e08f63e57693
    label: security-advisories@github.com
  - url: >-
      https://github.com/discourse/discourse/security/advisories/GHSA-wm63-83xp-59r5
    label: security-advisories@github.com
tags:
  - nvd
epss: 0.00402
epssPercentile: 0.31735
ingestedAt: '2026-09-08T21:11:12.273Z'
---

## Overview

Discourse is an open-source discussion platform. From 2026.1.0-latest until 2026.1.7, 2026.6.2, 2026.7.1, and 2026.8.0-latest.1, anyone able to run a parameterized Data Explorer query, including non-staff members of a group a query is shared with, could craft parameter values that escaped the intended query and executed arbitrary SQL through plugins/discourse-data-explorer/lib/discourse_data_explorer/data_explorer.rb and plugins/discourse-data-explorer/lib/discourse_data_explorer/workflows/sql_action/v1.rb. Recursive parameter interpolation allowed one parameter value to introduce another parameter, and parameter declarations in SQL comments could be used to inject a statement. Queries run in a read-only transaction, so data could not be modified, but any table could be read. This issue is fixed in versions 2026.1.7, 2026.6.2, 2026.7.1, and 2026.8.0-latest.1.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.