CVE-2026-33422
Information Disclosure in Discourse Review Queue Exposes IP Addresses
Publication date: 2026-03-20
Last updated on: 2026-03-24
Assigner: GitHub, Inc.
Description
Description
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| discourse | discourse | From 2026.1.0 (inc) to 2026.1.2 (exc) |
| discourse | discourse | From 2026.2.0 (inc) to 2026.2.1 (exc) |
| discourse | discourse | 2026.3.0 |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-200 | The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability in Discourse, an open-source discussion platform, exposes the IP address of a flagged user to any user who can access the review queue. This means that users who should not have permission to see IP addresses can still view them if they have access to the review queue.
How can this vulnerability impact me? :
The impact of this vulnerability is that unauthorized users may gain access to the IP addresses of flagged users. This could lead to privacy concerns, as IP addresses can be used to infer location or track user activity. However, the vulnerability has a relatively low CVSS base score of 3.5, indicating limited severity.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
To mitigate this vulnerability, you should upgrade your Discourse installation to one of the patched versions: 2026.3.0-latest.1, 2026.2.1, or 2026.1.2.
No known workarounds are available, so applying the patch by upgrading is the recommended immediate step.