What’s Vulnerable › Vulnerabilities

CVE-2026-6265: Local Privilege Escalation in Cerberus FTP Server =< 2025.4.2

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-04-27 · updated 2026-10-26
• Weakness: CWE-278

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

Affected products

• Cerberus FTP Server: before 2026.1 — fixed in 2026.1

How to fix

Upgrade to a fixed version: Cerberus FTP Server 2026.1. Check the vendor advisory for mitigations.

References

• https://labs.reversec.com/advisories/2026/04/cerberus-ftp-server-elevation-of-privileges
• https://www.cerberusftp.com/releasenotes/
• https://labs.reversec.com/advisories/2026/04/cerberus-ftp-server-elevation-of-privileges

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