Auth bypass in Apostrophecms Apostrophe
CVE-2026-63669
ApostropheCMS is an open-source Node.js content management system. Prior to 4.32.0, the page module's move() operation fails to enforce the destination parent's _create permission because its oldParent archive condition disables the check for ordinary moves, allowing an authenticated editor or contributor to use _targetId and _position through the page REST update endpoint to move a controlled page into a restricted subtree and make nudgeNewPeers() updateMany re-rank protected sibling pages. This issue is fixed in version 4.32.0.
Vulnerability class: IDOR (Insecure Direct Object Reference)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.003 (21.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 21.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.001
Affected products
- Apostrophecms Apostrophe — versions < 4.32.0
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-63669?
- CVE-2026-63669 is a medium-severity vulnerability in Apostrophecms Apostrophe, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 6.5/10. Published 2026-08-17.
- How severe is CVE-2026-63669?
- Medium severity. CVSS v3 base score is 6.5 out of 10.