CVE-2026-6265 PUBLISHED

Local Privilege Escalation in Cerberus FTP Server =< 2025.4.2

Assigner: NCSC-FI
Reserved: 14.04.2026 Published: 27.04.2026 Updated: 27.04.2026

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

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
CVSS Score: 7.3

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Local	Confidentiality	High	Confidentiality	High
Attack Complexity	Low	Integrity	High	Integrity	High
Attack Requirements	Present	Availability	High	Availability	High
Privileges Required	Low
User Interaction	Passive

CVSS 4.0

Product Status

Vendor	Cerberus
Product	Cerberus FTP Server
Versions	Default: unaffected affected from 0 to 2025.4.2 (incl.) Version 2026.1 is unaffected

Credits

Sharan Patil with Reversec finder

References

Problem Types

CWE-278 Insecure preserved inherited permissions CWE

Impacts

CAPEC-233 Privilege Escalation