CVE-2026-67400

Missing Token Type Check Exposes WOPI Configuration in Nextcloud Richdocuments

Published Oct 27, 2026 CVSS 3.0 · 3.5 Low EPSS < 1% KEV · Not listed
Description
A missing token type check allowed to retrieve more additional information about the WOPI configuration with a user or guest token.

Remediation

Vendor Workaround

Disable app richdocuments

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
References
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Nextcloud
Nextcloud richdocuments
Vendors & Products Nextcloud
Nextcloud richdocuments
Type Values Removed Values Added
Title Missing Token Type Check Exposes WOPI Configuration in Nextcloud Richdocuments
Type Values Removed Values Added
Description A missing token type check allowed to retrieve more additional information about the WOPI configuration with a user or guest token.
Weaknesses CWE-284
References
Metrics cvssV3_0

{'score': 3.5, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
hackerone
Published
Updated
Nov 4, 2026, 8:25 PM
Reserved
Jul 29, 2026, 3:00 PM
Status
Awaiting Analysis
Published
Oct 27, 2026, 5:17 PM
Modified
Nov 4, 2026, 9:18 PM