CVE-2026-33251

MEDIUM

Discourse has a Hidden Solved topics permission bypass

Title source: cna
STIX 2.1

Description

Discourse is an open-source discussion platform. Prior to versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2, an authorization bypass vulnerability in hidden Solved topics may allow unauthorized users to accept or unaccept solutions. Versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2 contain a patch. As a workaround, ensure only trusted users are part of the Site Setting for accept_all_solutions_allowed_groups.

References (1)

Scores

CVSS v3 5.4
EPSS 0.0004
EPSS Percentile 11.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-863
Status published
Products (5)
discourse/discourse 2026.3.0
discourse/discourse 2026.1.0 - 2026.1.2
discourse/discourse = 2026.3.0-latest
discourse/discourse >= 2026.1.0-latest, < 2026.1.2
discourse/discourse >= 2026.2.0-latest, < 2026.2.1
Published Mar 20, 2026
Tracked Since Mar 21, 2026