CVE-2026-6105 perfree go-fastdfs-web doInstall InstallController.java improper authorization
Remote attackers can exploit improper authorization in the doInstall interface to gain unauthorized access or execute code.
- 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-2026-6105?
CVE-2026-6105 is a medium-severity missing authorization vulnerability in perfree go-fastdfs-web, published on 11 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A security vulnerability has been detected in perfree go-fastdfs-web up to 1.3.7. This affects an unknown part of the file src/main/java/com/perfree/controller/InstallController.java of the component doInstall Interface. The manipulation leads to improper authorization. The attack may be initiated remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Which versions are affected by CVE-2026-6105?
How do I fix CVE-2026-6105?
No fix has been published for CVE-2026-6105 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-6105 being exploited?
There is no known exploitation of CVE-2026-6105 in the wild and no public exploit code.
Sources
Also known as GHSA-5xx4-vfw9-vhfp.