CVE-2024-56197: Users can see other user's tagged PMs in Discourse
Discourse is an open source platform for community discussion. PM titles and metadata can be read by other users when the "PM tags allowed for groups" option is enabled, the other user is a member of a group added to this option, and the PM has been tagged. This issue has been patched in the latest stable, beta and tests-passed versions of Discourse. Users are advised to upgrade. Users unable to upgrade should remove all groups from the the "PM tags allowed for groups" option.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2024-56197?
The severity of CVE-2024-56197 is classified as medium due to the potential exposure of private messages' titles and metadata.
How do I fix CVE-2024-56197?
To fix CVE-2024-56197, ensure that the "PM tags allowed for groups" option is disabled if you want to protect the privacy of PM titles and metadata.
Which versions of Discourse are affected by CVE-2024-56197?
CVE-2024-56197 affects all versions of Discourse up to the latest release, including beta and tests-passed versions.
Can CVE-2024-56197 be exploited by non-group members?
No, CVE-2024-56197 can only be exploited by users who are part of a group that has been granted access to the tagged PMs.
What should I do if I am using an affected version of Discourse for CVE-2024-56197?
If using an affected version of Discourse, it is recommended to apply the latest patch immediately to mitigate any risks associated with this vulnerability.