CVEvulnerability

CVE-2026-33424

4.3 MEDIUM Published 2026-03-21 Modified 2026-06-17 Official page ↗
Status
Analyzed
Published
2026-03-21
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
5.9 MEDIUM — CVSS:3.1/AV:A/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:L
CVSS 3.1 ([email protected])
4.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Weaknesses
CWE-863

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.

Affected configurations

• discourse discourse (>= 2026.1.0 < 2026.1.2) • discourse discourse (>= 2026.2.0 < 2026.2.1) • discourse discourse 2026.3.0

Related

Weakness · CWE (1)

  • CWE-863 Incorrect Authorization weakness

References