{"cve":"CVE-2021-23338","nvd":{"published":"2021-02-15T16:15:15.263","modified":"2026-06-17T03:38:34.940","status":"Modified","description":"This affects all versions of package qlib. The workflow function in cli part of qlib was using an unsafe YAML load function.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","score":7.2},"cwes":["CWE-502"],"references":["https://github.com/418sec/huntr/pull/1329","https://snyk.io/vuln/SNYK-PYTHON-QLIB-1054635","https://github.com/418sec/huntr/pull/1329","https://snyk.io/vuln/SNYK-PYTHON-QLIB-1054635"],"products":["microsoft:qlib"],"source":"nvd","synced_at":"2026-10-19T21:15:50.279857260+00:00"},"epss":{"cve":"CVE-2021-23338","score":0.03584,"percentile":0.89414,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-hjr4-fhgp-23g9","url":"https://osv.dev/vulnerability/GHSA-hjr4-fhgp-23g9","summary":"qlib Deserialization of Untrusted Data vulnerability","modified":"2024-10-14T18:38:35.640542Z","packages":[{"ecosystem":"PyPI","name":"pyqlib","purl":"pkg:pypi/pyqlib","ranges":["<0.7.0"],"fixed":["0.7.0"]}]},{"id":"PYSEC-2021-86","url":"https://osv.dev/vulnerability/PYSEC-2021-86","summary":"","modified":"2026-06-10T17:01:46.103111800Z","packages":[{"ecosystem":"PyPI","name":"pyqlib","purl":"pkg:pypi/pyqlib","ranges":["<0.6.3"],"fixed":["0.6.3"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}