CTI · reviewed · 2026-10-11

CVE-2026-108540: Critical OS command injection in OpenSpug Spug 3.0 to 4.0.1

Full story & timeline

MITRE ATT&CK

• T1190 Exploit Public-Facing Application Initial Access
• T1059 Command and Scripting Interpreter Execution

Indicators

No curated indicators tied to this case.

Detections

No detection content yet — case analysis did not yield signal-specific telemetry. Check back after the next daily CTI pass.

References

• https://radar.offseq.com/threat/cve-2026-108540-os-command-injection-in-openspug-spug-6b899c3d670ff1c9
• https://threataft.com/articles/openspug-spug-cve-2026-108540-file-transfer-rce