Improper Handling of Extra Values in Cybozu Garoon - CVE-2026-22888
Published: February 2, 2026
Vulnerability identifier: #VU122206
CSH Severity: Low
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-22888
CWE-ID: CWE-231
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper handling of data in Portal setting. A remote administrator can pass specially crafted input to the application and perform a denial of service (DoS) attack.
Affected software
Cybozu Garoon
How to mitigate CVE-2026-22888
Install updates from vendor's website.
Cybozu Garoon - update to 6.17.0