High severity · published Feb 26, 2026
CVE-2026-28269
Kiteworks Core has an OS Command Injection
8.8
CVSS
2.2%
EPSS
No
On KEV
Description
Kiteworks is a private data network (PDN). Prior to version 9.2.0, avulnerability in Kiteworks command execution functionality allows authenticated users to redirect command output to arbitrary file locations. This could be exploited to overwrite critical system files and gain elevated access. Version 9.2.0 contains a patch.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.2% · higher than 82% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SE
security-advisories · kiteworks
< 9.2.0 · source: vendor
KI
Kiteworks · Accellion
before 9.2.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-28269
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-28269
Vendor Advisory
https://github.com/kiteworks/security-advisories/security/advisories/GHSA-6j64-6fpp-9453
More from security-advisories
7.2
CVE-2026-28270
Kiteworks Core has an Unrestricted Upload of File with Dangerous Type
6.5
CVE-2026-28271
Kiteworks Core is vulnerable to Server-Side Request Forgery (SSRF)
5.4
CVE-2026-24754
Kiteworks Secure Data Forms Vulnerable to Cross-site Scripting
4.8
CVE-2026-28272
Kiteworks Email Protection Gateway has a Cross-site Scripting vulnerability