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CVE-2026-6265

Local Privilege Escalation in Cerberus FTP Server =< 2025.4.2

HIGH
8.8
CVSS Score
Published: April 27, 2026 at 01:00 PM UTC
Updated: June 17, 2026 at 11:00 AM UTC
2 products affected across 2 vendorsFTP ServerFTP Server

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Severity
HIGH8.8
Exploit prediction
EPSS 0.3%
SSVC
PoC

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

FTP Server· Cerberusftp
95%
v < 2026.1
FTP Server· Cerberus
60%
v ≤ 2025.4.2
Vendor states this is fixed in 2026.1 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

Release Notes
Source: cverecord
https://www.cerberusftp.com/releasenotes/
Third Party AdvisoryExploitVendor Advisory
Source: cverecord
https://labs.reversec.com/advisories/2026/04/cerberus-ftp-server-elevation-of-privileges

SSVC — Action Prioritization

SSVCPoCNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-278

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