Medium severity · published Oct 28, 2026
CVE-2026-109848
GROWI contains an authorization bypass vulnerability in its tag update API and the page update API due to improper use of a user-controlled key
New
4.2
CVSS
–
EPSS
No
On KEV
Description
GROWI contains an authorization bypass vulnerability in its tag update API and the page update API due to improper use of a user-controlled key. By exploiting this vulnerability, an attacker who can log in to the product may obtain the contents of pages without the required read permission and save them to pages that the attacker can edit.
CVSS vector
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
Attack vector
Network
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GR
GROWI · GROWI, Inc.
v4.5.5 through v8.0.6 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-109848
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-109848
github.com
https://github.com/growilabs/growi/security/advisories/GHSA-pqx5-gx68-83h4
growi.co.jp
https://growi.co.jp/news/48/
jvn.jp
https://jvn.jp/en/jp/JVN51223238/
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