Auth bypass in Apostrophecms Apostrophe
CVE-2026-113660
ApostropheCMS is an open-source Node.js content management system. Prior to 4.33.0, ApostropheCMS’s exist-in-locale API allows an authenticated low-privilege user to determine whether restricted documents exist in a specified locale and mode, including draft mode. The endpoint returns localized document identifiers without applying document-level view or edit authorization criteria. This issue is fixed in version 4.33.0.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Apostrophecms Apostrophe — versions < 4.33.0
Weakness classification (CWE)
References
- github.com/apostrophecms/apostrophe/security/advisories/GHSA-vmxh-77cw-65j7
- github.com/apostrophecms/apostrophe/commit/9500b8b0e1d630d5e07fbb5fd2c25ed09438…
- github.com/apostrophecms/apostrophe/commit/f84fd41cbf6c22eb8d0008fc9c25df1f7130…
- github.com/apostrophecms/apostrophe/releases/tag/apostrophe@4.33.0
Frequently asked questions
- What is CVE-2026-113660?
- CVE-2026-113660 is a medium-severity vulnerability in Apostrophecms Apostrophe, classified under Missing Authorization. CVSS score: 4.3/10. Published 2026-10-20.
- How severe is CVE-2026-113660?
- Medium severity. CVSS v3 base score is 4.3 out of 10.