ApostropheCMS uploadfs Azure backend leaks account-level SAS token into every public attachment URL (sas: true)

影響: npm:uploadfs >= 1.25.0, < 1.28.0 → 1.28.0

When uploadfs is configured with the Azure backend and sas: true (a supported configuration introduced in uploadfs 1.25.0), createContainer() builds the BlobServiceClient from a URL that embeds the full SAS query string, and Azure SDK v12 derived clients inherit that query string. As a result, getUrl() returns a base URL carrying the complete account/container SAS signature (?sv=...&sig=...), and Apostrophe's attachment.url() prepends it to every public attachment link — broadcasting a…

在 GitHub Advisory Database 阅读

2026/10/21 03:20，GitHub Advisory Database 发布了“ApostropheCMS uploadfs Azure backend leaks account-level SAS token into every public attachment URL (sas: true)”（类型：漏洞公告）。严重程度为“中危”（medium）。相关技术：JavaScript / Node.js、Microsoft Azure。CVE：CVE-2026-113652。