CVE-2026-112952
ApostropheCMS: POST /api/v1/@apostrophecms/doc/slugTaken discloses existence of private/admin-only content to any authenticated user
CVSS Score
4.3
EPSS Score
0.0%
EPSS Percentile
0th
ApostropheCMS is an open-source Node.js content management system. Prior to 4.34.0, 'POST /api/v1/@apostrophecms/doc/slugTaken' with body { "slug": "target-slug" } returns a boolean indicating whether a slug is in use across all document types and visibility levels, with no permission or type filter. Any logged-in user (including editors) can enumerate the slug space of private pages, drafts, and archived content. This issue is fixed in version 4.34.0.
| CWE | CWE-200 |
| Vendor | apostrophecms |
| Product | apostrophe |
| Published | Oct 20, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None
Affected Versions
apostrophecms / apostrophe
< 4.34.0
References
github.com: https://github.com/apostrophecms/apostrophe/security/advisories/GHSA-f66c-mpj2-3r8h github.com: https://github.com/apostrophecms/apostrophe/commit/06e4b377f3c360f9e89c32dccd7e505ad5ddf498 github.com: https://github.com/apostrophecms/apostrophe/commit/40b989b1a9dd23d30029b8ce7668634265cfe5ea github.com: https://github.com/apostrophecms/apostrophe/releases/tag/[email protected]