CVE-2026-32618

Published: Mar 31, 2026

Modified: Apr 3, 2026

PUBLISHED

CVSS v3.1

4.3

MEDIUM

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.

Vendor	Product	Versions
discourse	discourse	affected `>= 2026.1.0-latest, < 2026.1.3` affected `>= 2026.2.0-latest, < 2026.2.2` affected `>= 2026.3.0-latest, < 2026.3.0`

Weaknesses (CWE)

CWE-200

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

References

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

x_refsource_CONFIRM

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

x_refsource_MISC

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CVE-2026-32618

Description

Affected Products

Weaknesses (CWE)

CVSS v3.1 Details

References