PT-2026-26540 · Discourse · Discourse

Jomaxr · Publicado 2026-03-20 · Atualizado 2026-05-13 · CVE-2026-30889

Positive Technologies (AI Summary)

CVSS v4.0

5.3

Média

Vetor base

AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

Name of the Vulnerable Software and Affected Versions Discourse versions prior to 2026.3.0-latest.1 Discourse versions prior to 2026.2.1 Discourse versions prior to 2026.1.2

Description Discourse is an open-source discussion platform. A moderator could exploit insufficient authorization checks to access metadata of posts they should not have permission to view. The issue involves inadequate restrictions on access to post metadata.

Recommendations Update Discourse to version 2026.3.0-latest.1 or later. Update Discourse to version 2026.2.1 or later. Update Discourse to version 2026.1.2 or later.

Exploit

Correção

Missing Authorization

Enumeração de Fraquezas

CWE-862

Identificadores relacionados

BIT-DISCOURSE-2026-30889

CVE-2026-30889

GHSA-5QM9-R98F-G4MQ

Produtos afetados

Discourse

Referências · 8

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/30xxx/CVE-2026-30889.json · Exploit
• https://github.com/discourse/discourse/security/advisories/GHSA-5qm9-r98f-g4mq · Aviso do Fabricante
• https://osv.dev/vulnerability/BIT-discourse-2026-30889 · Aviso do Fabricante
• https://twitter.com/lyrie_ai/status/2054621750382506446 · Publicação no Twitter
• https://nvd.nist.gov/vuln/detail/CVE-2026-30889 · Nota de Segurança
• https://twitter.com/VulmonFeeds/status/2034903002784350230 · Publicação no Twitter
• https://osv.dev/vulnerability/CVE-2026-30889 · Aviso do Fabricante
• https://twitter.com/CVEnew/status/2034841427952509371 · Publicação no Twitter