{"id":"CVE-2023-48051","aliases":["GHSA-qc4j-hrj6-cppf","PYSEC-2023-302"],"url":"https://o3.security/vulnerability/CVE-2023-48051","summary":"upydev has weak encryption padding","details":"An issue in /upydev/keygen.py in upydev v0.4.3 allows attackers to decrypt sensitive information via weak encryption padding.","published":"2023-11-20T00:00:00Z","modified":"2026-08-12T03:51:30.641728811Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},"epss":{"score":0.00248,"percentile":0.16254,"asOf":"2026-08-11"},"cisaKev":null,"exploitsKnown":1,"affectedPackages":[{"ecosystem":"PyPI","name":"upydev","fixedVersion":null}],"fix":null,"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/48xxx/CVE-2023-48051.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-48051"},{"type":"REPORT","url":"https://github.com/Carglglz/upydev/issues/38"},{"type":"PACKAGE","url":"https://github.com/Carglglz/upydev"},{"type":"WEB","url":"https://github.com/pypa/advisory-database/tree/main/vulns/upydev/PYSEC-2023-302.yaml"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:30.641728811Z"}}