CVE-2026-6265

Cerberusftp FTP Server privilege escalation

8.8 HIGHPublic exploitEPSS 0.37%

Published27 Apr 2026

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

CVSS 3.1 breakdown

Attack vectorNetwork

Attack complexityLow

Privileges requiredLow

User interactionNone

ScopeUnchanged

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

Cerberusftp FTP Server< 2026.1

Remediation

Fixed in

Cerberusftp FTP Server≥ 2026.1

Patch & vendor advisories

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

References

https://labs.reversec.com/advisories/2026/04/cerberus-ftp-server-elevation-of-privilegesExploitVendor Advisory
https://www.cerberusftp.com/releasenotes/Release Notes

Related CVEs

Recent high-severity vulnerabilities sharing a weakness type.

Frequently asked

Is CVE-2026-6265 being actively exploited?

CVE-2026-6265 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.37%.

How severe is CVE-2026-6265?

CVE-2026-6265 has a CVSS 3.1 base score of 8.8, rated high. EPSS estimates a 0.37% probability of exploitation.

Which products are affected by CVE-2026-6265?

Affected products include Cerberusftp FTP Server.

How do I fix CVE-2026-6265?

Upgrade affected software to a fixed version, for example Cerberusftp FTP Server 2026.1 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-6265 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.