CVE-2026-32618

Published: Mar 31, 2026Modified: Jul 24, 2026

4.3

Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Exploitability: 2.8 / Impact: 1.4

Source: security-advisories@github.com (Secondary)

Description

Discourse is an open-source discussion platform. From versions 2026.1.0-latest to before 2026.1.3, 2026.2.0-latest to before 2026.2.2, and 2026.3.0-latest to before 2026.3.0, there is possible channel membership inference from chat user search without authorization. This issue has been patched in versions 2026.1.3, 2026.2.2, and 2026.3.0.

Affected (4)

Products: Discourse: Discourse

Discourse

1 product

Discourse

Configuration A

4 vulnerable

Vulnerable Software	Affected Versions
Discourse Discourse	From 2026.1.0 to 2026.1.3
Discourse Discourse	From 2026.2.0 to 2026.2.2
Discourse Discourse	Version 2026.3.0
Discourse Discourse	Version 2026.3.0

Related CWEs

CWE-200

Exposure of Sensitive Information to an Unauthorized Actor

The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.

References (2)

https://github.com/discourse/discourse/commit/81fd89e744058e509412158e5e6ac90c856ade64

Source: security-advisories@github.com

Patch

https://github.com/discourse/discourse/security/advisories/GHSA-pc8p-w2m7-hgf3

Source: security-advisories@github.com

Vendor Advisory

Timeline

No history available yet.