PT-2026-26541 · Discourse · Discourse

Jomaxro · Publicado 2026-03-20 · Atualizado 2026-03-27 · CVE-2026-30891

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Média

Vetor base

AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A: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. Insufficient authorization checks in the user actions API endpoint allowed a user to access another user's private activity. The user actions endpoint is vulnerable, potentially exposing private user data. The vulnerable parameter is not specified.

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

Information Disclosure

Enumeração de Fraquezas

CWE-200

Identificadores relacionados

BIT-DISCOURSE-2026-30891

CVE-2026-30891

GHSA-WW5F-24G5-C33G

Produtos afetados

Discourse

Referências · 6

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/30xxx/CVE-2026-30891.json · Exploit
• https://github.com/discourse/discourse/security/advisories/GHSA-ww5f-24g5-c33g · Aviso do Fabricante
• https://twitter.com/CVEnew/status/2034841426916479238 · Publicação no Twitter
• https://nvd.nist.gov/vuln/detail/CVE-2026-30891 · Nota de Segurança
• https://osv.dev/vulnerability/CVE-2026-30891 · Aviso do Fabricante
• https://osv.dev/vulnerability/BIT-discourse-2026-30891 · Aviso do Fabricante