CVE-2026-108540: OpenSpug File Transfer transfer os command injection

Severity: critical (CVSS 9.9 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-11 · updated 2026-10-14
Weakness: CWE-77

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.

Affected products

openspug spug: 3.0, 3.1, 3.2, 3.3, 3.4.0, 4.0.0 (+1)

References

https://github.com/SECWG/CVE/issues/10
https://vuldb.com/cve/CVE-2026-108540
https://vuldb.com/submit/948328
https://vuldb.com/vuln/416195
https://vuldb.com/vuln/416195/cti

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