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
0.2%
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?
Exploit prediction (EPSS)0.2% · higher than 7% of CVEs
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
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