CVE-2022-31533: Umbral Project Umbral

Critical severity, CVSS 9.3. EPSS: 1.3% chance of exploitation in the next 30 days.

The decentraminds/umbral repository through 2020-01-15 on GitHub allows absolute path traversal because the Flask send_file function is used unsafely.

Affected products

• Umbral Project Umbral: up to and including 2020-01-15

Published 2022-07-11. Last modified 2026-06-17.