{"action":"Upgrade django to 4.2.30 or later.","affected":[{"fixed":"6.0.4","introduced":"6.0"},{"fixed":"5.2.13","introduced":"5.2"},{"fixed":"4.2.30","introduced":"4.2"}],"component":"django","cve_ids":["CVE-2026-3902"],"ecosystem":"PyPI","epss":0.00549,"exploited":false,"fixed_versions":["6.0.4","5.2.13","4.2.30"],"ghsa_id":"GHSA-mvfq-ggxm-9mc5","id":"tcs_01M5KFRSC91KER4QJRGVYP1SD2","modified_at":"2026-09-10T03:50:44.836232007Z","published_at":"2026-04-07T15:30:52Z","references":["https://osv.dev/vulnerability/GHSA-mvfq-ggxm-9mc5","https://nvd.nist.gov/vuln/detail/CVE-2026-3902","https://docs.djangoproject.com/en/dev/releases/security","https://github.com/django/django","https://github.com/pypa/advisory-database/tree/main/vulns/django/PYSEC-2026-51.yaml","https://groups.google.com/g/django-announce","https://www.djangoproject.com/weblog/2026/apr/07/security-releases"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GHSA-mvfq-ggxm-9mc5","url":"https://osv.dev/vulnerability/GHSA-mvfq-ggxm-9mc5"}],"summary":"Django vulnerable to ASGI header spoofing via underscore/hyphen conflation"}