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8.6
CVE-2026-108540: OpenSpug lets attackers run commands via file transfer
CVE-2026-108540 · published 7 days ago
Summary
OpenSpug versions up to 3.4.0 and 4.0.1 have a weakness in the file transfer feature that can be tricked into running operating system commands. An attacker could exploit this from outside your network to take control of the server. Apply the latest patch from the vendor or disable the file transfer function until you can update.
What to do
The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.
Affected software
| Vendor | Product | Affected versions |
|---|---|---|
| openspug | spug | 3.0 |
Original advisory text
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.
Internet-facing
14 days
Internal
At next upgrade
- Not known to be exploited
- Needs hands-on effort to exploit
- Gives an attacker full control
Severity
8.6
High
Type
CWE-78OS Command Injection
CWE-77Command Injection
Timeline
Published11 Oct 2026
Updated15 Oct 2026
First seen11 Oct 2026
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