CVE-2026-33426

LOW

3.5

Description

Discourse is an open-source discussion platform. Prior to versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2, users with tag-editing permissions could edit and create synonyms for tags hidden in restricted tag groups, even if they lacked visibility into those tags. 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 Score3.5

SeverityLOW

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredHIGH

User InteractionREQUIRED

Published3/21/2026

Last Modified3/24/2026

Sourcenvd

Honeypot Sightings0

Affected Products

discourse:discourse

Weaknesses (CWE)

CWE-862

References

https://github.com/discourse/discourse/security/advisories/GHSA-2289-4m46-2hxh(security-advisories@github.com)

IOC Correlations

No correlations recorded

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