CVE-2025-68660 Discourse AI Discover's continue conversation allows threat actor to impersonate user
Authenticated users can bypass access controls to access restricted AI personas and impersonate others, leading to unauthorized data disclosure and abuse.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-68660?
CVE-2025-68660 is a medium-severity missing authorization vulnerability in Discourse Discourse, published on 28 Jan 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Discourse is an open source discussion platform. In versions prior to 3.5.4, 2025.11.2, 2025.12.1, and 2026.1.0, an endpoint lets any authenticated user bypass the ai_discover_persona access controls and gain ongoing DM access to personas that may be wired to staff-only categories, RAG document sets, or automated tooling, enabling unauthorized data disclosure. Because the controller also accepts arbitrary user_id, an attacker can impersonate other accounts to trigger unwanted AI conversations on their behalf, generating confusing or abusive PM traffic. This issue is patched in versions 3.5.4, 2025.11.2, 2025.12.1, and 2026.1.0. No known workarounds are available.
Weakness: CWE-863
Which versions are affected by CVE-2025-68660?
1 open source package ship an affected version, including discourse. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
discourse Bitnami | All versions | 3.5.4, 2025.11.2, 2025.12.1, 2026.1.0 |
Products include Discourse Discourse.
How do I fix CVE-2025-68660?
Upgrade discourse to a fixed version for your release line: 3.5.4, 2025.11.2, 2025.12.1 or 2026.1.0.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2025-68660 being exploited?
There is no known exploitation of CVE-2025-68660 in the wild and no public exploit code.
Other vulnerabilities in Discourse Discourse
- CVE-2021-41163 RCE via malicious SNS subscription payload
- CVE-2022-36066 Discourse vulnerable to RCE via admins uploading maliciously zipped file
- CVE-2022-39356 Discourse user account takeover via email and invite link
- CVE-2023-22468 Discourse vulnerable to Cross-site Scripting in local oneboxes
- CVE-2026-27934 Discourse leaks private topic title and post excerpt via user action API endpoint
Sources
Also known as BIT-discourse-2025-68660, GHSA-mrvm-rprq-jqqh.