CVE-2026-108540

CRITICAL 9.9

OpenSpug File Transfer transfer os command injection

CVSS Score

9.9

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-78 CWE-77
Vendor	openspug
Product	spug
Published	Oct 11, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:C

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

OpenSpug / Spug

3.0 3.1 3.2 3.3 3.4.0 4.0.0 4.0.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

🔍 WenGui (VulDB User) VulDB CNA Team