CVE-2025-59895 Remote denial-of-service (DoS) vulnerability in Sync Breeze Enterprise Server

High 8.2 Published 28 Jan 2026 Updated 28 Jan 2026

Remote attackers can cause a permanent denial of service in Sync Breeze Enterprise Server by corrupting the configuration file via malicious requests.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2025-59895?

CVE-2025-59895 is a high-severity denial of service vulnerability in Flexense Disk Pulse Enterprise, published on 28 Jan 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Sync Breeze Enterprise Server v10.4.18 and Disk Pulse Enterprise v10.4.18 contain a remote denial-of-service (DoS) vulnerability in the configuration restore functionality. The issue is due to insufficient validation of user-supplied data during this process. An attacker could send malicious requests to alter the configuration file, causing the application to become unresponsive. In a successful scenario, the service may not recover on its own and require a complete reinstallation, as the configuration becomes corrupted and prevents the service from restarting, even manually.

Weakness: CWE-20

Which versions are affected by CVE-2025-59895?

It affects 2 products.

Products include Flexense Diskpulse, Flexense Syncbreeze.

How do I fix CVE-2025-59895?

No fix has been published for CVE-2025-59895 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2025-59895 being exploited?

There is no known exploitation of CVE-2025-59895 in the wild and no public exploit code.

Sources

Also known as GHSA-xgm3-v5hc-wc6j.