Critical severity · published Oct 11, 2026
CVE-2026-108540
OpenSpug File Transfer transfer os command injection
9.9
CVSS
1.7%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)1.7% · higher than 77% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SP
Spug · OpenSpug
3.0; 3.1; 3.2; 3.3; 3.4.0; 4.0.0; +1 more · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-108540
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-108540
vdb-entry
https://vuldb.com/vuln/416195
signature
https://vuldb.com/vuln/416195/cti
third-party-advisory
https://vuldb.com/cve/CVE-2026-108540
third-party-advisory
https://vuldb.com/submit/948328
exploit
https://github.com/SECWG/CVE/issues/10
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