{"id":"CVE-2021-41078","aliases":["GHSA-6p52-jr3q-c94g","PYSEC-2021-383"],"url":"https://o3.security/vulnerability/CVE-2021-41078","summary":"Nameko Arbitrary code execution due to YAML deserialization","details":"Nameko through 2.13.0 can be tricked into performing arbitrary code execution when deserializing the config file.","published":"2021-10-26T13:15:07.557Z","modified":"2026-07-09T10:52:07.794696Z","cvss":{"score":7.8,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},"epss":{"score":0.01537,"percentile":0.72526,"asOf":"2026-08-23"},"cisaKev":null,"exploitsKnown":1,"affectedPackages":[{"ecosystem":"PyPI","name":"nameko","fixedVersion":"2.14.0"},{"ecosystem":"PyPI","name":"nameko","fixedVersion":"3.0.0rc10"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://github.com/nameko/nameko"},{"type":"EVIDENCE","url":"https://github.com/nameko/nameko/security/advisories/GHSA-6p52-jr3q-c94g"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-09T10:52:07.794696Z"}}