CVE-2020-26173: Tangro Business Workflow

Medium severity, CVSS 4.3. EPSS: 0.7% chance of exploitation in the next 30 days.

An incorrect access control implementation in Tangro Business Workflow before 1.18.1 allows an attacker to download documents (PDF) by providing a valid document ID and token. No further authentication is required.

Affected products

• Tangro Business Workflow: before 1.18.1 (fixed in 1.18.1)

Published 2020-12-18. Last modified 2026-06-17.