{"id":"CVE-2026-4277","aliases":["BIT-django-2026-4277","GHSA-pwjp-ccjc-ghwg","PYSEC-2026-52"],"url":"https://o3.security/vulnerability/CVE-2026-4277","summary":"Privilege abuse in GenericInlineModelAdmin","details":"An issue was discovered in 6.0 before 6.0.4, 5.2 before 5.2.13, and 4.2 before 4.2.30.\nAdd permissions on inline model instances were not validated on submission of\r\nforged `POST` data in `GenericInlineModelAdmin`.\nEarlier, unsupported Django series (such as 5.0.x, 4.1.x, and 3.2.x) were not evaluated and may also be affected.\nDjango would like to thank N05ec@LZU-DSLab for reporting this issue.","published":"2026-04-07T14:22:25.547Z","modified":"2026-07-15T10:14:52.222507751Z","cvss":{"score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"PyPI","name":"django","fixedVersion":"6.0.4"},{"ecosystem":"PyPI","name":"django","fixedVersion":"5.2.13"},{"ecosystem":"PyPI","name":"django","fixedVersion":"4.2.30"}],"fix":null,"references":[{"type":"WEB","url":"https://github.com/django/django/"},{"type":"ADVISORY","url":"https://docs.djangoproject.com/en/dev/releases/security/"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/4xxx/CVE-2026-4277.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-4277"},{"type":"ADVISORY","url":"https://www.djangoproject.com/weblog/2026/apr/07/security-releases/"},{"type":"PACKAGE","url":"https://pypi.org/project/Django/"},{"type":"ARTICLE","url":"https://groups.google.com/g/django-announce"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-15T10:14:52.222507751Z"}}