CVE-2026-32618

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.

CVSS Vector

References

• https://github.com/discourse/discourse/commit/81fd89e744058e509412158e5e6ac90c856ade64
• https://github.com/discourse/discourse/security/advisories/GHSA-pc8p-w2m7-hgf3