VULNERABILITY INTELLIGENCE

CVE-2026-33424

CVSS score5.9 MEDIUM
EPSS probability0.23%
CISA KEVNot currently listed
Published2026-03-21
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:A/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:L

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.

Weakness classification

  • security-advisories@github.com: CWE-863

Primary references