CVE-2026-111649

Rocboss paopao-ce through 0.6.0-alpha.3 contains an insecure direct object reference vulnerability in DownloadAttachment that allows authenticated users to access private media by supplying arbitrary content IDs. Attackers can enumerate sequential post content ids via the /v1/attachment endpoint to obtain signed download URLs for other users' private, friend-only and following-only images, videos and attachments.