CVE-2026-63667
Medium · 6.5CVSS
6.5
EPSS
0.5%
Published
Aug 17, 2026
CISA due date
—
The record
ApostropheCMS is an open-source Node.js content management system. Prior to 3.6.2, the import-export module in packages/import-export/lib/formats/gzip.js constructs an attachment source path from the attacker-controlled _id, name, and extension fields in aposAttachments.json without ensuring that the resolved path remains under the extracted attachments directory, allowing an authenticated contributor to import a crafted archive, read a host file with an allowed extension, and publish the copied file at an unauthenticated uploads URL. This issue is fixed in version 3.6.2.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|
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