{"action":"Upgrade pyyaml to 5.4 or later.","affected":[{"fixed":"5.4","introduced":"0"}],"component":"pyyaml","cve_ids":["CVE-2020-14343"],"ecosystem":"PyPI","epss":0.05984,"exploited":false,"fixed_versions":["5.4"],"ghsa_id":"GHSA-8q59-q68h-6hv4","id":"tcs_01M5KF8TPP5533RDFHM6Z1M3W0","modified_at":"2026-02-04T03:33:10.792778Z","published_at":"2021-03-25T21:26:26Z","references":["https://osv.dev/vulnerability/GHSA-8q59-q68h-6hv4","https://nvd.nist.gov/vuln/detail/CVE-2020-14343","https://github.com/SeldonIO/seldon-core/issues/2252","https://github.com/yaml/pyyaml/issues/420","https://github.com/yaml/pyyaml/issues/420#issuecomment-663673966","https://github.com/yaml/pyyaml/commit/a001f2782501ad2d24986959f0239a354675f9dc","https://bugzilla.redhat.com/show_bug.cgi?id=1860466","https://github.com/advisories/GHSA-8q59-q68h-6hv4","https://github.com/pypa/advisory-database/tree/main/vulns/pyyaml/PYSEC-2021-142.yaml","https://github.com/yaml/pyyaml","https://pypi.org/project/PyYAML","https://www.oracle.com/security-alerts/cpuapr2022.html","https://www.oracle.com/security-alerts/cpujul2022.html"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"GHSA-8q59-q68h-6hv4","url":"https://osv.dev/vulnerability/GHSA-8q59-q68h-6hv4"}],"summary":"Improper Input Validation in PyYAML"}