CVE-2026-41949: falha de alta gravidade em langgenius dify
Dify < 1.14.2 Authorization Bypass via File Preview Endpoint
Publicada em · Atualizada em
Aviso por e-mail quando ela entrar no KEV, ganhar PoC pública ou subir de nota.
41Vexday Risk Score
Sem sinal de exploração. Ela tem prova de conceito pública.
ssvc Attendcvss 8.2epss 0.4%
Dify before version 1.14.2 contains an authorization bypass vulnerability in the file preview endpoint that allows any authenticated user to read up to 3,000 characters of any uploaded document across all tenants and workspaces using only the file's UUID. Attackers can access the /console/api/files/{file_id}/preview endpoint with an intercepted file UUID to extract sensitive content from documents without ownership or workspace permission verification. NOTE: Dify Cloud allows unauthenticated free self-registration, making account creation trivially accessible to any attacker.
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Produtos afetados
langgenius · difyPoCs públicas encontradas — 2
cve_referencehuntr.com/bounties/d50a0240-7951-4939-b989-9bded66c7682não verificadocve_referencewww.zafran.io/resources/difytap-zafran-discovers-how-attackers-can-silently-wiretap-ai-data-across-tenants-on-a-platform-powering-1m-appsnão verificado⚠ Recursos públicos, para você avaliar a exposição de sistemas que controla ou está autorizado a testar. Teste apenas com autorização.
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Referências
https://github.com/langgenius/dify/commit/432a6412a3fdb30ce48003d699b90cc7d890df20https://github.com/langgenius/dify/pull/35797https://github.com/langgenius/dify/releases/tag/1.14.2https://huntr.com/bounties/d50a0240-7951-4939-b989-9bded66c7682https://www.vulncheck.com/advisories/dify-authorization-bypass-via-file-preview-endpointhttps://www.zafran.io/resources/difytap-zafran-discovers-how-attackers-can-silently-wiretap-ai-data-across-tenants-on-a-platform-powering-1m-apps