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CVE Vulnerability Details :

CVE-2026-28218

PUBLISHED

More Info Official Page

Assigner-GitHub_M

Assigner Org ID-a0819718-46f1-4df5-94e2-005712e83aaa

Published At-26 Feb, 2026 | 21:23

Updated At-26 Feb, 2026 | 21:23

▼CVE Numbering Authority (CNA)

Discourse's Fail-Open Access Control in Data Explorer Plugin Allows Unauthorized SQL Query Execution

Discourse is an open source discussion platform. Prior to versions 2025.12.2, 2026.1.1, and 2026.2.0, fail-open access control in Data Explorer plugin allows any authenticated user to execute SQL queries that have no explicit group assignments, including built-in system queries. Versions 2025.12.2, 2026.1.1, and 2026.2.0 patch the issue. As a workaround, either explicitly set group permissions on each Data Explorer query that doesn't have permissions, or disable discourse-data-explorer plugin.

Affected Products

Vendor

Civilized Discourse Construction Kit, Inc.

Product

discourse

Versions

Affected

< 2025.12.2
>= 2026.1.0-latest, < 2026.1.1
>= 2026.2.0-latest, < 2026.2.0

Problem Types

Type	CWE ID	Description
CWE	CWE-284	CWE-284: Improper Access Control

Type: CWE

CWE ID: CWE-284

Description: CWE-284: Improper Access Control

Metrics

Version	Base score	Base severity	Vector
4.0	5.3	MEDIUM	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

Version: 4.0

Base score: 5.3

Base severity: MEDIUM

Vector:

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

References

Hyperlink	Resource
https://github.com/discourse/discourse/security/advisories/GHSA-jxrc-72mr-mfh5	x_refsource_CONFIRM

Hyperlink: https://github.com/discourse/discourse/security/advisories/GHSA-jxrc-72mr-mfh5

Resource:

x_refsource_CONFIRM

Affected Products

Affected

Problem Types

Metrics

Metrics Other Info

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References