CVE-2022-31573: Chainer Chainerrl-Visualizer

Critical severity, CVSS 9.3. EPSS: 1.4% chance of exploitation in the next 30 days.

The chainer/chainerrl-visualizer repository through 0.1.1 on GitHub allows absolute path traversal because the Flask send_file function is used unsafely.

Affected products

• Chainer Chainerrl-Visualizer: up to and including 0.1.1

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