Medium severity · published Aug 31, 2026
CVE-2026-53620
GROWI contains a vulnerability with an authorization bypass through user-controlled key in the bookmark folder APIs
6.3
CVSS
0.3%
EPSS
No
On KEV
Description
GROWI contains a vulnerability with an authorization bypass through user-controlled key in the bookmark folder APIs. If this vulnerability is exploited, an authenticated attacker could retrieve, tamper with, and/or delete the other user's bookmark data.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 21% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GR
GROWI · GROWI, Inc.
through v8.0.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-53620
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-53620
growi.co.jp
https://growi.co.jp/news/46/
jvn.jp
https://jvn.jp/en/jp/JVN42348352/
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