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

Quick assessment

Affected
Cerberus Cerberus FTP Server
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Cerberus FTP Server是美国Cerberus公司的一款基于Windows的FTP服务器，支持通过FTPS和SFTP加密的FTP会话。 Cerberus FTP Server 2026.1之前版本存在安全漏洞，该漏洞源于继承权限不安全，可能导致权限提升。

AI Predicted 7.8 Difficulty: Easy EPSS 0.37% · P28

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2026-6265

Vulnerability Information
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Vulnerability Title
Local Privilege Escalation in Cerberus FTP Server =< 2025.4.2
Source: CVE Program / CVE List V5
Vulnerability 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
Source: CVE Program / CVE List V5
CVSS Information
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
Source: CVE Program / CVE List V5
Vulnerability Type
不安全的预留继承权限
Source: CVE Program / CVE List V5
Vulnerability Title
Cerberus FTP Server 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cerberus FTP Server是美国Cerberus公司的一款基于Windows的FTP服务器，支持通过FTPS和SFTP加密的FTP会话。 Cerberus FTP Server 2026.1之前版本存在安全漏洞，该漏洞源于继承权限不安全，可能导致权限提升。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Cerberus Cerberus FTP Server 0 ~ 2025.4.2 -

II. Public POCs for CVE-2026-6265

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III. Intelligence Information for CVE-2026-6265

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Vendor Advisories for CVE-2026-6265 (1)

IV. Related Vulnerabilities

Same weakness: CWE-278

V. Comments for CVE-2026-6265

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