CVE-2026-33424

MEDIUM

5.9

Description

Discourse is an open-source discussion platform. Prior to versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2, an attacker can grant access to a private message topic through invites even after they lose access to that PM. Versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2 contain a patch. No known workarounds are available.

CVE Details

CVSS v3.1 Score5.9

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:A/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:L

Attack VectorADJACENT_NETWORK

ComplexityHIGH

Privileges RequiredHIGH

User InteractionREQUIRED

Published3/21/2026

Last Modified3/24/2026

Sourcenvd

Honeypot Sightings0

Affected Products

discourse:discourse

Weaknesses (CWE)

CWE-863

References

https://github.com/discourse/discourse/security/advisories/GHSA-hgcp-p7hq-cwxw(security-advisories@github.com)

IOC Correlations

No correlations recorded

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