ApostropheCMS import-export tar guard misses './..' because it is a literal '../' substring test

影響: npm:@apostrophecms/import-export < 3.7.0 → 3.7.0

The tar-extraction guard added to @apostrophecms/import-export for GHSA-mwxc-m426-3f78 is a literal substring test for ../, and ./.. does not contain that substring. An entry named ./.. therefore passes the guard, path.join normalizes it to the parent of the export directory, and the resulting fs.WriteStream opens a directory and emits EISDIR with no error listener attached, which terminates the Node process. Confirmed on default-branch HEAD 1bd5d0a7a6fe880836fa75adad6964f1c577d640, pac…

在 GitHub Advisory Database 阅读

2026/10/21 03:23，GitHub Advisory Database 发布了“ApostropheCMS import-export tar guard misses './..' because it is a literal '../' substring test”（类型：漏洞公告）。严重程度为“中危”（medium）。相关技术：JavaScript / Node.js。CVE：CVE-2026-113664。