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CVE-2024-56197

Users can see other user's tagged PMs in Discourse

2.2 LowFix available

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.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
High
Privileges needed
High
User interaction
None

What an attacker can affect

Confidentiality
Low
Integrity
None
Availability
None

Exploit likelihood

0.36%Up 0.3 points since Feb 5, 2025
90%50%10%1%

What each source reports

CVE List Score used2.2

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.

Record
CVE-2024-56197
CVSS 3.1
2.2 LowCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-200
Updated
2026-11-02
EUVDEUVD-2024-530002.2

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.

Record
EUVD-2024-53000
CVSS 3.1
2.2 LowCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N
Updated
2026-11-03
NVD2.2

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.

Record
CVE-2024-56197
CVSS 3.1
2.2 LowCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N
CVSS 3.1
4.9 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Weakness
CWE-200
Updated
2026-11-02
OSV2.2

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.

Record
CVE-2024-56197
CVSS 3.1
2.2 LowCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-200
Updated
2026-11-02
OSVBIT-discourse-2024-56197No score

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.

Record
BIT-discourse-2024-56197
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
discourse
Bitnami
before 3.4.0
3.4.0

History

History
RecordedChangedSources
aliases, publishedEUVD
first indexedCVE List, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2024-56197 is a low vulnerability (CVSS 2.2) in Discourse, published February 4, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.36%, the 30th percentile. Fixed in discourse 3.4.0.

References

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