High severity · published Apr 27, 2026
CVE-2026-6265
Local Privilege Escalation in Cerberus FTP Server =< 2025.4.2
8.8
CVSS
0.3%
EPSS
No
On KEV
Description
Insecure preserved inherited permissions vulnerability in Cerberus FTP Server on Windows allows Privilege Escalation.This issue has been resolved in Cerberus FTP Server: 2026.1
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)0.3% · higher than 18% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CF
Cerberus FTP Server · Cerberus
through 2025.4.2 · source: vendor
FS
Ftp Server · Cerberusftp
before 2026.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-6265
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-6265
Exploit
https://labs.reversec.com/advisories/2026/04/cerberus-ftp-server-elevation-of-privileges
Release Notes
https://www.cerberusftp.com/releasenotes/
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