CVE-2023-40588

MEDIUM6.5EPSS 0.09%

Discourse DoS via 2FA and Security Key Names

Published: 3/6/2024Modified: 10/15/2025

Also known as:GHSA-2hg5-3xm3-9vvxBIT-discourse-2023-40588

Description

Discourse is an open-source discussion platform. Prior to version 3.1.1 of the `stable` branch and version 3.2.0.beta1 of the `beta` and `tests-passed` branches, a malicious user could add a 2FA or security key with a carefully crafted name to their account and cause a denial of service for other users. The issue is patched in version 3.1.1 of the `stable` branch and version 3.2.0.beta1 of the `beta` and `tests-passed` branches. There are no known workarounds.

Affected packages (1)

Bitnami/discoursefrom 0, < 3.1.1

CVSS scores

Source	Version	Severity	Vector
osv	CVSS 3.1	MEDIUM6.5	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References (2)

WEBhttps://github.com/discourse/discourse/security/advisories/GHSA-2hg5-3xm3-9vvx
WEBhttps://nvd.nist.gov/vuln/detail/CVE-2023-40588