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CVE-2026-27570

MEDIUM

6.1

Descricao

Discourse is an open-source discussion platform. Prior to versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2, the onebox method in the SharedAiConversation model renders the conversation title directly into HTML without proper sanitization. Versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2 contain a patch. As a workaround, tighten access by changing the `ai_bot_public_sharing_allowed_groups` site setting.

Detalhes CVE

Pontuacao CVSS v3.16.1

SeveridadeMEDIUM

Vetor CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Vetor de ataqueNETWORK

ComplexidadeLOW

Privilegios necessariosNONE

Interacao do usuarioREQUIRED

Publicado3/19/2026

Ultima modificacao3/25/2026

Fontenvd

Avistamentos honeypot0

Produtos afetados

discourse:discourse

Fraquezas (CWE)

CWE-79

Referencias

https://github.com/discourse/discourse/commit/43a5a60b595f0120e6adfc131f2408508fe341f1(security-advisories@github.com)

https://github.com/discourse/discourse/commit/c14f8f52b7999328bd9f8665f2ecfa24dadc4bf1(security-advisories@github.com)

https://github.com/discourse/discourse/commit/f2aafa5c7467c94fcd4ebd36785a98e77ca088cc(security-advisories@github.com)

https://github.com/discourse/discourse/security/advisories/GHSA-hfxw-89hw-vwmv(security-advisories@github.com)

Correlacoes IOC

Sem correlacoes registradas

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