VULNERABILITY INTELLIGENCE

CVE-2026-33426

CVSS score3.5 LOW
EPSS probability0.17%
CISA KEVNot currently listed
Published2026-03-21
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:N

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.

Weakness classification

  • security-advisories@github.com: CWE-862

Primary references