PT-2026-22197 · Discourse · Discourse

34Selen · Publicado 2026-02-26 · Atualizado 2026-03-03 · CVE-2026-28227

Positive Technologies (AI Summary)

CVSS v3.1

2.7

Baixa

Vetor base

AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N

Name of the Vulnerable Software and Affected Versions Discourse versions prior to 2025.12.2 Discourse versions prior to 2026.1.1 Discourse versions prior to 2026.2.0

Description Discourse is an open source discussion platform. Trust Level 4 (TL4) users could publish topics into staff-only categories using the publish to category topic timer, bypassing intended authorization controls.

Recommendations Update to Discourse version 2025.12.2 or later. Update to Discourse version 2026.1.1 or later. Update to Discourse version 2026.2.0 or later.

Exploit

Correção

Incorrect Authorization

Enumeração de Fraquezas

CWE-863

Identificadores relacionados

BIT-DISCOURSE-2026-28227

CVE-2026-28227

GHSA-M49W-78MH-87JP

Produtos afetados

Discourse

Referências · 7

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/28xxx/CVE-2026-28227.json · Exploit
• https://github.com/discourse/discourse/security/advisories/GHSA-m49w-78mh-87jp · Aviso do Fabricante
• https://osv.dev/vulnerability/CVE-2026-28227 · Aviso do Fabricante
• https://twitter.com/VulmonFeeds/status/2027228970765173055 · Publicação no Twitter
• https://nvd.nist.gov/vuln/detail/CVE-2026-28227 · Nota de Segurança
• https://osv.dev/vulnerability/BIT-discourse-2026-28227 · Aviso do Fabricante
• https://twitter.com/CVEnew/status/2027466652221378751 · Publicação no Twitter