Authorization bypass through user-controlled key in GROWI - CVE-2026-53620
Published: August 28, 2026
Vulnerability identifier: #VU146039
CSH Severity: Medium
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-53620
CWE-ID: CWE-639
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to authorization bypass through user-controlled key in the bookmark folder APIs. A remote user can retrieve, tamper with, and/or delete the other user's bookmark data.
Affected software
GROWI
How to mitigate CVE-2026-53620
Install updates from vendor's website.
GROWI - update to 8.0.1