Medium severity · published Oct 5, 2026
CVE-2026-100727
An improper access control vulnerability exists in GROWI, which allow an unauthenticated attacker to read files contained in non-public pages of the affected product when the file…
5.3
CVSS
0.2%
EPSS
No
On KEV
Description
An improper access control vulnerability exists in GROWI, which allow an unauthenticated attacker to read files contained in non-public pages of the affected product when the file upload setting is configured as "Local".
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 14% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GR
GROWI · GROWI, Inc.
before v7.5.5 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-100727
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-100727
growi.co.jp
https://growi.co.jp/news/47
jvn.jp
https://jvn.jp/en/jp/JVN24352487/
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