🛡️ CVE-2026-33422 — discourse

🟡 CVSS 5.0 — Medium ✅ No Known Exploit CWE-200 OSV
5.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Discourse exposes ip_address of flagged user

Discourse is an open-source discussion platform. Prior to versions 2026.3.0, 2026.2.1, and 2026.1.2, the ip_address of a flagged user is exposed to any user who can access the review queue, including users who should not be able to see IP addresses. Versions 2026.3.0, 2026.2.1, and 2026.1.2 contain a patch. No known workarounds are available.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs low-level privileges on the target. A user must be tricked into taking some action. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality low, integrity none, availability none.

Weakness class

CVE-2026-33422 is classified as CWE-200: Exposure of Sensitive Information. Information that should stay internal is disclosed to someone who is not authorised to see it.

Affected software

CVE-2026-33422 is recorded against 1 package.

  • discourse

Timeline and source

Published on 27 March 2026 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

github.com (Web)
nvd.nist.gov (Web)

Details

Severity MEDIUM
CVSS Score 5.0
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N
CWE CWE-200
Public Exploit ✅ No
Source OSV
Published 2026-03-27
Updated 2026-08-12
Modified 2026-06-17
Fix URL N/A

Affected Packages

Software From version Fixed in
discourse — —

Similar Threats

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