CVE-2022-31573GHSA-687h-86vc-5x59PYSEC-2026-309
chainerrl-visualizer: ChainerRL Visualizer 0.1.1 vulnerable to Path Traversal via unsafe use of send_file function
n/a chainerrl-visualizerpipLibraries & packages
CVSS
9.3CriticalExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)1.40%Chance of exploitation activity in the next 30 days, higher than 72% of CVEs. Scored 27 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
What fixes it
No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.
Description
The chainer/chainerrl-visualizer repository through 0.1.1 on GitHub allows absolute path traversal because the Flask send_file function is used unsafely.
Text from CVE List
Affected versions 5
- chainerrl-visualizer, pip<= 0.1.1GitHub
- n/aaffected: n/aCVE List
- chainerrl-visualizer, PyPIfrom first release, through 0.1.1OSV
- chainerrl-visualizer, PyPI0.1.0OSV
- chainerrl-visualizer, PyPI0.1.1OSV
References 5
- github.com/github/securitylab/issues/669#issuecomment-1117265726Advisoryvia CVE List
- github.com/pypa/advisory-database/tree/main/vulns/chainerrl-visualizer/PYSEC-2026-309.yamlAdvisoryvia GitHub
- github.com/advisories/GHSA-687h-86vc-5x59Advisoryvia GitHub
- nvd.nist.gov/vuln/detail/CVE-2022-31573Referencevia GitHub
- pypi.org/project/chainerrl-visualizerReferencevia GitHub