CVEvulnerability

CVE-2026-33428

4.9 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 4.0 ([email protected])
4.9 MEDIUM — CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1 ([email protected])
6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/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, a non-staff user with elevated group membership could access deleted posts belonging to any user due to an overly broad authorization check on the deleted posts index endpoint. 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