PT-2026-29303 · Discourse · Discourse

Davidtaylorhq · Publicado 2026-03-31 · Atualizado 2026-04-07 · CVE-2026-32113

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Média

Vetor base

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

Name of the Vulnerable Software and Affected Versions Discourse versions 2026.1.0 through 2026.1.2, 2026.2.0 through 2026.2.1, and 2026.3.0

Description The StaticController's enter action does not validate the sso destination url cookie before redirecting to it with allow other host: true. This cookie, normally set during legitimate DiscourseConnect Provider flows, is client-controlled and can be manipulated by attackers.

Recommendations Update to Discourse version 2026.1.3 or later. Update to Discourse version 2026.2.2 or later. Update to Discourse version 2026.3.0 or later.

Exploit

Correção

Open Redirect

Enumeração de Fraquezas

CWE-601

Identificadores relacionados

BIT-DISCOURSE-2026-32113

CVE-2026-32113

GHSA-378J-CCW4-4FWH

Produtos afetados

Discourse

Referências · 8

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/32xxx/CVE-2026-32113.json · Exploit
• 🔥 https://meta.discourse.org/t/use-discourse-as-an-identity-provider-sso-discourseconnect/32974 · Exploit
• https://github.com/discourse/discourse/security/advisories/GHSA-378j-ccw4-4fwh · Aviso do Fabricante
• https://github.com/discourse/discourse/commit/080408b93d00305b51d71f63f755f43fa601884d · Correção
• https://meta.discourse.org/t/using-discourse-as-a-sso-provider/32974 · Nota
• https://osv.dev/vulnerability/CVE-2026-32113 · Aviso do Fabricante
• https://osv.dev/vulnerability/BIT-discourse-2026-32113 · Aviso do Fabricante
• https://nvd.nist.gov/vuln/detail/CVE-2026-32113 · Nota de Segurança