{"action":"Upgrade django to 5.0.14 or later.","affected":[{"fixed":"5.0.14","introduced":"5.0"},{"fixed":"5.1.8","introduced":"5.1"}],"component":"django","cve_ids":["CVE-2025-27556"],"ecosystem":"PyPI","epss":0.01079,"exploited":false,"fixed_versions":["5.1.8","5.0.14"],"ghsa_id":"GHSA-wqfg-m96j-85vm","id":"tcs_01M5KGNTHQ25PZCKYHKX8H0CNE","modified_at":"2026-06-10T17:01:07.408374749Z","published_at":"2025-04-02T13:15:44Z","references":["https://osv.dev/vulnerability/PYSEC-2025-14","https://www.djangoproject.com/weblog/2025/apr/02/security-releases/","https://docs.djangoproject.com/en/dev/releases/security/","https://groups.google.com/g/django-announce","http://www.openwall.com/lists/oss-security/2025/04/02/2","https://github.com/advisories/GHSA-wqfg-m96j-85vm"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"PYSEC-2025-14","url":"https://osv.dev/vulnerability/PYSEC-2025-14"},{"source":"nvd","source_id":"CVE-2025-27556","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-27556"}],"summary":"An issue was discovered in Django 5.1 before 5.1.8 and 5.0 before 5.0.14. The NFKC normalization is slow on Windows. As a consequence, django.contrib.auth.views.LoginView, django.contrib.auth.views.Lo"}