Vulnerabilities in discourse

308 results
Vexday analysis

Com 278 CVEs catalogadas e nenhuma entrada confirmada no catálogo KEV da CISA, o Discourse apresenta taxa de exploração ativa abaixo da média geral do catálogo, o que sugere menor pressão de ameaças imediatas em comparação ao universo típico de produtos monitorados. Ainda assim, 31 vulnerabilidades surgiram nos últimos 90 dias, indicando ritmo relevante de descobertas recentes que exige acompanhamento contínuo. A falha mais prevalente é CWE-200 (exposição de informações sensíveis), padrão que tende a se manifestar em plataformas de comunicação e pode facilitar reconhecimento por parte de atacantes. A CVE mais perigosa ativa atualmente é CVE-2024-53991, com escore EPSS de 0,2543 — o mais alto observado no conjunto —, e entre as cinco vulnerabilidades críticas catalogadas quatro já contam com prova de conceito pública, o que eleva o risco de exploração para equipes que ainda não aplicaram as correções correspondentes.

CVE-2026-33427LOWDiscourse Authorization Page Displays Unvalidated Redirect DomainEPSS 0.2%CVE-2026-33425MEDIUMDiscourse has inferable private group membership or existence via exclude_groups parameterEPSS 0.2%CVE-2025-54411LOWDiscourse welcome banner user name XSSEPSS 0.2%CVE-2025-58054LOWDiscourse is vulnerable to XSS when quoting chat messagesEPSS 0.2%CVE-2025-67723MEDIUMDiscourse vulnerable to stored Cross-site Scripting via Katex in discourse-math pluginEPSS 0.2%CVE-2026-32620MEDIUMDiscourse: Missing post-level authorization allows whisper metadata disclosureEPSS 0.2%CVE-2026-32951MEDIUMDiscourse: Authorization bypass in oneboxer via user-controlled category idEPSS 0.2%CVE-2026-32618MEDIUMDiscourse: Unauthorized channel membership inference via excluded_memberships_channel_idEPSS 0.2%CVE-2026-33411MEDIUMDiscourse's solved topic stream has potential stored XSS in topic titleEPSS 0.2%CVE-2026-33423LOWDiscourse staff can modify any user's group notification levelEPSS 0.2%CVE-2026-28219LOWPrivilege Escalation via Mass Assignment Allows Regular Users to Set Topics as Global BannersEPSS 0.2%CVE-2026-33291MEDIUMDiscourse user can create Zendesk tickets even when it does not have access to topicEPSS 0.2%CVE-2026-53960MEDIUMDiscourse: Hidden first-post excerpt is emitted in Q&A schema JSON-LDEPSS 0.2%CVE-2026-32113MEDIUMDiscourse: Open redirect via `sso_destination_url` cookie in `enter`EPSS 0.2%CVE-2026-33185MEDIUMDiscourse: Group SMTP test endpoint susceptible to SSRFEPSS 0.2%CVE-2026-44785MEDIUMDiscourse: Hidden reply-to post raw can be disclosed through AI explain promptsEPSS 0.2%CVE-2026-44780MEDIUMDiscourse: Category queue reviewers can read raw incoming emails from queued postsEPSS 0.2%CVE-2026-44782MEDIUMDiscourse: GroupPostSerializer leaks hidden full names through reaction post associationEPSS 0.2%CVE-2026-33415MEDIUMDiscourse: Improper Access Control in discourse-ai Allows Unauthorized Category Content ExposureEPSS 0.2%CVE-2026-27166MEDIUMDiscourse vulnerable to HTML injection via prohibited iframe URLsEPSS 0.2%