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
8.8
CVE-2025-53939
Kiteworks Core is vulnerable to Improper Input Validation
8.8
CVE-2025-53900
Kiteworks MFT has a Privilege Defined With Unsafe Actions
8.1
CVE-2025-53896
Kiteworks MFT is vulnerable to Insufficient Session Expiration
7.2
CVE-2026-28270
Kiteworks Core has an Unrestricted Upload of File with Dangerous Type
7.2
CVE-2025-53899
Kiteworks MFT is vulnerable to an Incorrectly Specified Destination in a Communication Channel
