Cerberus FTP Server up to 2025.4.2/2026.0 on Windows insecure preserved inherited permissions

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Cerberus FTP Server up to 2025.4.2/2026.0 on Windows. This impacts an unknown function. This manipulation causes insecure preserved inherited permissions. This vulnerability is tracked as CVE-2026-6265. The attack is restricted to local execution. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Cerberus FTP Server up to 2025.4.2/2026.0 on Windows and classified as problematic. Affected by this vulnerability is an unknown code. The manipulation with an unknown input leads to a insecure preserved inherited permissions vulnerability. The CWE definition for the vulnerability is CWE-278. A product inherits a set of insecure permissions for an object, e.g. when copying from an archive file, without user awareness or involvement. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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

The weakness was disclosed by Sharan Patil. The advisory is shared at cerberusftp.com. This vulnerability is known as CVE-2026-6265 since 04/14/2026. The exploitation appears to be easy. An attack has to be approached locally. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1222 for this issue.

Upgrading to version 2026.1 eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Insecure preserved inherited permissions
CWE: CWE-278 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: FTP Server 2026.1

Timelineinfo

04/14/2026 CVE reserved
04/27/2026 +13 days Advisory disclosed
04/27/2026 +0 days VulDB entry created
04/27/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: cerberusftp.com
Researcher: Sharan Patil
Status: Confirmed

CVE: CVE-2026-6265 (🔒)
GCVE (CVE): GCVE-0-2026-6265
GCVE (VulDB): GCVE-100-359797

Entryinfo

Created: 04/27/2026 15:44
Changes: 04/27/2026 15:44 (68)
Complete: 🔍
Cache ID: 216::103

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