CVE-2021-47978: Processmaker

Medium severity, CVSS 6.2. EPSS: 0.8% chance of exploitation in the next 30 days.

ProcessMaker 3.5.4 contains a local file inclusion vulnerability that allows unauthenticated attackers to read arbitrary files by exploiting improper path traversal validation. Attackers can send requests with directory traversal sequences to access sensitive system files like /etc/passwd without authentication.

Affected products

• Processmaker Processmaker: up to and including 3.5.4

Published 2026-05-16. Last modified 2026-06-17.