Low severity · published Oct 27, 2026
CVE-2026-67400
A missing token type check allowed to retrieve more additional information about the WOPI configuration with a user or guest token
New
3.5
CVSS
–
EPSS
No
On KEV
Description
A missing token type check allowed to retrieve more additional information about the WOPI configuration with a user or guest token.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RI
Richdocuments · Nextcloud
11.0.0 through 11.0.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-67400
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-67400
hackerone.com
https://hackerone.com/reports/3568116
More from Richdocuments
7.5
CVE-2021-37628
Nextcloud Richdocuments is an open source collaborative office suite
6.5
CVE-2023-28645
Nextcloud richdocuments is a Nextcloud app integrating the office suit Collabora Online
6.5
CVE-2022-31024
richdocuments is the repository for NextCloud Collabra, the app for Nextcloud Office collaboration
5.7
CVE-2023-25150
Nextcloud office/richdocuments is an office suit for the nextcloud server platform
5.3
CVE-2023-25159
Nextcloud Server is the file server software for Nextcloud, a self-hosted productivity platform, and Nextcloud Office is a document collaboration app for the same platform