CVE-2026-80237: Thinking Software Technology Efence

High severity, CVSS 8.8. EPSS: 0.8% chance of exploitation in the next 30 days.

EFence developed by Thinking Software Technology has an Arbitrary File Upload vulnerability. Authenticated remote attackers can upload and execute web shell backdoors, thereby enabling arbitrary code execution on the server.

Affected products

• Thinking Software Technology Efence: up to and including 1.2.66 DB Ver:56

Published 2026-08-26. Last modified 2026-08-26.