CVE-2026-28227

LOW

2.7

Description

Discourse is an open source discussion platform. Prior to versions 2025.12.2, 2026.1.1, and 2026.2.0, TL4 users can publish topics into staff-only categories via the `publish_to_category` topic timer, bypassing authorization checks. Versions 2025.12.2, 2026.1.1, and 2026.2.0 patch the issue. No known workarounds are available.

CVE Details

CVSS v3.1 Score2.7

SeverityLOW

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredHIGH

User InteractionNONE

Published2/26/2026

Last Modified3/2/2026

Sourcenvd

Honeypot Sightings0

Affected Products

discourse:discourse

Weaknesses (CWE)

CWE-863

References

https://github.com/discourse/discourse/security/advisories/GHSA-m49w-78mh-87jp(security-advisories@github.com)

IOC Correlations

No correlations recorded

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