Vulnerability · Published Oct 20, 2026 · Assigned by GitHub_M
CVE-2026-112953ApostropheCMS: Exposure of Sensitive Information via predictable export filenames
Medium 6.0
In plain English
A medium-severity information exposure in apostrophe from apostrophecms. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 47% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
ApostropheCMS is an open-source Node.js content management system. Prior to 3.7.1 of the import-export module, predictable export archive filenames allow an unauthenticated requester to download another user's export from publicly readable export storage before the archive expires or is removed. A user with export permission must first create the archive, and sites with exports disabled, private upload storage, or authenticated upload delivery are not exposed through this network-download path. This issue is fixed in version 3.7.1.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| npm | @apostrophecms/import-export | 3.7.1 | GHSA-5gc8-frw3-3vqm |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| apostrophecms | apostrophe | < 4.34.0 |
| @apostrophecms | import-export | < 3.7.1 |
Weakness: CWE-200 · Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
References
- https://github.com/apostrophecms/apostrophe/security/advisories/GHSA-5gc8-frw3-3vqm x_refsource_CONFIRM
- https://github.com/apostrophecms/apostrophe/commit/06e4b377f3c360f9e89c32dccd7e505ad5ddf498 x_refsource_MISC
- https://github.com/apostrophecms/apostrophe/commit/40b989b1a9dd23d30029b8ce7668634265cfe5ea x_refsource_MISC
- https://github.com/apostrophecms/apostrophe/releases/tag/@apostrophecms/import-export@3.7.1 x_refsource_MISC