CVE-2026-108540: OpenSpug File Transfer transfer os command injection
A flaw has been found in OpenSpug Spug up to 3.4.0/4.0.1. This impacts an unknown function of the file /exec/transfer of the component File Transfer. Executing a manipulation can lead to os command injection. The attack may be launched remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Affected Software
Event History
Frequently Asked Questions
Which deployments should be treated as exposed?
OpenSpug Spug versions up to 3.4.0 and 4.0.1 are identified as affected. The vulnerable functionality is the File Transfer component's /exec/transfer endpoint, and the attack can be launched remotely.
What level of access does an attacker need?
The supplied severity vector indicates low privileges are required and no user interaction is needed. Successful exploitation can result in operating-system command injection with high impact to confidentiality, integrity, and availability.
Is public exploitation a concern?
Yes. An exploit has been published and may be used, so affected deployments should be prioritized for remediation or exposure reduction.
What can be concluded about vendor remediation?
The available information does not identify a fixed version or vendor workaround. It states that the vendor was contacted before disclosure but did not respond.