CVE-2025-32376: Discourse DM limits aren’t always properly enforced
First published: Wed Apr 30 2025(Updated: )
Discourse is an open-source discussion platform. Prior to versions 3.4.3 on the stable branch and 3.5.0.beta3 on the beta branch, the users limit for a DM can be bypassed, thus giving the ability to potentially create a DM with every user from a site in it. This issue has been patched in stable version 3.4.3 and beta version 3.5.0.beta3.
Credit: security-advisories@github.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Discourse | <3.4.3 | |
| Discourse | <3.5.0.beta3 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2025-32376?
CVE-2025-32376 is a medium severity vulnerability that allows users to bypass the direct messaging limit.
How do I fix CVE-2025-32376?
To fix CVE-2025-32376, upgrade Discourse to version 3.4.3 or later on the stable branch, or 3.5.0.beta3 or later on the beta branch.
What versions of Discourse are affected by CVE-2025-32376?
CVE-2025-32376 affects Discourse versions prior to 3.4.3 on the stable branch and prior to 3.5.0.beta3 on the beta branch.
Can CVE-2025-32376 lead to data exposure?
Yes, CVE-2025-32376 could potentially allow unauthorized users to create direct messages with every user on the site, leading to privacy violations.
When was CVE-2025-32376 disclosed?
CVE-2025-32376 was disclosed prior to the release of the patches for the affected versions of Discourse.
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