---
id: CVE-2026-112952
title: >-
  ApostropheCMS: POST /api/v1/@apostrophecms/doc/slugTaken discloses existence
  of private/admin-only content to any authenticated user
summary: >-
  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…
severity: medium
cvss: 4.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N'
cvssSource: cna
cwe:
  - CWE-200
vendor: apostrophecms
product: apostrophe
affected:
  - apostrophe < 4.34.0
published: '2026-10-20'
updated: '2026-10-20'
sourceUpdated: '2026-10-20T15:44:33.564Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-112952'
references:
  - url: >-
      https://github.com/apostrophecms/apostrophe/security/advisories/GHSA-f66c-mpj2-3r8h
    label: >-
      https://github.com/apostrophecms/apostrophe/security/advisories/GHSA-f66c-mpj2-3r8h
  - url: >-
      https://github.com/apostrophecms/apostrophe/commit/06e4b377f3c360f9e89c32dccd7e505ad5ddf498
    label: >-
      https://github.com/apostrophecms/apostrophe/commit/06e4b377f3c360f9e89c32dccd7e505ad5ddf498
  - url: >-
      https://github.com/apostrophecms/apostrophe/commit/40b989b1a9dd23d30029b8ce7668634265cfe5ea
    label: >-
      https://github.com/apostrophecms/apostrophe/commit/40b989b1a9dd23d30029b8ce7668634265cfe5ea
  - url: 'https://github.com/apostrophecms/apostrophe/releases/tag/apostrophe@4.34.0'
    label: 'https://github.com/apostrophecms/apostrophe/releases/tag/apostrophe@4.34.0'
tags:
  - cve.org
ingestedAt: '2026-10-20T16:10:53.294Z'
---

## Overview

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.

## Affected

- `apostrophe < 4.34.0`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.