{"id":"CVE-2025-13473","aliases":["GHSA-2mcm-79hx-8fxw","BIT-django-2025-13473","PYSEC-2026-42"],"title":"Django has Observable Timing Discrepancy","summary":"Django has Observable Timing Discrepancy","severity":"low","vendor":"django","product":"django","ecosystem":"pip","affected":["django >= 6.0a1, < 6.0.2","django >= 5.2a1, < 5.2.11","django >= 4.2a1, < 4.2.28"],"patched":["django 6.0.2","django 5.2.11","django 4.2.28"],"published":"2026-02-03","updated":"2026-09-10","sourceUpdated":"2026-09-10T03:50:33.805951644Z","source":"OSV","sourceUrl":"https://osv.dev/vulnerability/GHSA-2mcm-79hx-8fxw","references":[{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-13473"},{"url":"https://docs.djangoproject.com/en/dev/releases/security"},{"url":"https://github.com/django/django"},{"url":"https://github.com/pypa/advisory-database/tree/main/vulns/django/PYSEC-2026-42.yaml"},{"url":"https://groups.google.com/g/django-announce"},{"url":"https://www.djangoproject.com/weblog/2026/feb/03/security-releases"}],"tags":["osv","pip"],"epss":0.00741,"epssPercentile":0.5274,"ingestedAt":"2026-09-12T03:13:01.638Z","slug":"CVE-2025-13473","body":"## Overview\n\nAn issue was discovered in 6.0 before 6.0.2, 5.2 before 5.2.11, and 4.2 before 4.2.28.\n\nThe `django.contrib.auth.handlers.modwsgi.check_password()` function for authentication via `mod_wsgi` allows remote attackers to enumerate users via a timing attack. Earlier, unsupported Django series (such as 5.0.x, 4.1.x, and 3.2.x) were not evaluated and may also be affected.\n\nDjango would like to thank Stackered for reporting this issue.\n\n## Affected packages\n\n- `django >= 6.0a1, < 6.0.2`\n- `django >= 5.2a1, < 5.2.11`\n- `django >= 4.2a1, < 4.2.28`\n\n## Remediation\n\nUpgrade to a patched release:\n\n- `django 6.0.2`\n- `django 5.2.11`\n- `django 4.2.28`","depth":"sunlit","depthScore":14,"depthScoreParts":{"impact":13.8,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}