CVE-2026-26239: File Station 5
Published Jun 10, 2026
·Updated
A buffer overflow vulnerability has been reported to affect File Station 5. If a remote attacker gains a user account, they can then exploit the vulnerability to modify memory or crash processes. We have already fixed the vulnerability in the following version: File Station 5 5.5.6.5208 and later
Affected Software
1 affected component
Synology File Station 5<5.5.6.5208
Remediation
Information
We have already fixed the vulnerability in the following version:
File Station 5 5.5.6.5208 and later
Event History
Jun 10, 2026
CVE Published
via MITRE·03:15 AM
Data Sourced
via MITRE·03:15 AM
RemedyDescriptionWeakness
Data Sourced
via NVD·04:17 AM
DescriptionSeverityWeakness
Frequently Asked Questions
1
What is the severity of CVE-2026-26239?
The severity of CVE-2026-26239 is rated as high with a score of 8.7.
2
How do I fix CVE-2026-26239?
CVE-2026-26239 can be fixed by upgrading to File Station 5 version 5.5.6.5208 or later.
3
What type of vulnerability is CVE-2026-26239?
CVE-2026-26239 is a buffer overflow vulnerability affecting File Station 5.
4
What can an attacker do with CVE-2026-26239?
An attacker with a user account can exploit CVE-2026-26239 to modify memory or crash processes.
5
When was CVE-2026-26239 published?
CVE-2026-26239 was published on June 10, 2026.