PT-2026-53403 · Pypi · Chainer/Chainerrl-Visualizer

Published 2026-06-29 · Updated 2026-06-29

OSV

CVSS v3.1

9.3

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:L

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

Fix

Related Identifiers

PYSEC-2026-309

Affected Products

Chainer/Chainerrl-Visualizer

References · 6

• https://osv.dev/vulnerability/PYSEC-2026-309 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-31573 · Security Note
• https://github.com/github/securitylab/issues/669#issuecomment-1117265726 · Note
• https://github.com/chainer/chainerrl-visualizer · Note
• https://pypi.org/project/chainerrl-visualizer · Note
• https://github.com/advisories/GHSA-687h-86vc-5x59 · Note