Medium severity · published Aug 10, 2026
CVE-2026-57279
Cybozu Garoon contains a cross-site scripting vulnerability
6.8
CVSS
0.3%
EPSS
No
On KEV
Description
Cybozu Garoon contains a cross-site scripting vulnerability. If this vulnerability is exploited, an arbitrary script may be executed in the web browser of a user logged in to the product.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
None
Integrity
High
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 24% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CG
Cybozu Garoon · Cybozu, Inc
6.17.0 through 6.17.1 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-57279
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-57279
jvn.jp
https://jvn.jp/en/jp/JVN72334274/
kb.cybozu.support
https://kb.cybozu.support/article/39182/
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