{"id":"CVE-2011-4139","aliases":["GHSA-rm2j-x595-q9cj","PYSEC-2011-4"],"url":"https://o3.security/vulnerability/CVE-2011-4139","summary":"Django Vulnerable to Cache Poisoning","details":"Django before 1.2.7 and 1.3.x before 1.3.1 uses a request's HTTP Host header to construct a full URL in certain circumstances, which allows remote attackers to conduct cache poisoning attacks via a crafted request.","published":"2011-10-19T10:55:04Z","modified":"2026-04-10T03:42:03.027668Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"PyPI","name":"django","fixedVersion":"1.2.7"},{"ecosystem":"PyPI","name":"django","fixedVersion":"1.3.1"}],"fix":{"url":"https://github.com/django/django/commit/2f7fadc38efa58ac0a8f93f936b82332a199f396","label":"django/django@2f7fadc"},"references":[{"type":"ADVISORY","url":"http://secunia.com/advisories/46614"},{"type":"ADVISORY","url":"http://www.debian.org/security/2011/dsa-2332"},{"type":"ADVISORY","url":"https://www.djangoproject.com/weblog/2011/sep/09/"},{"type":"FIX","url":"http://openwall.com/lists/oss-security/2011/09/11/1"},{"type":"FIX","url":"http://openwall.com/lists/oss-security/2011/09/13/2"},{"type":"FIX","url":"https://bugzilla.redhat.com/show_bug.cgi?id=737366"},{"type":"FIX","url":"https://www.djangoproject.com/weblog/2011/sep/10/127/"},{"type":"WEB","url":"https://hermes.opensuse.org/messages/14700881"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2011-4139"},{"type":"WEB","url":"https://github.com/django/django/commit/2f7fadc38efa58ac0a8f93f936b82332a199f396"},{"type":"WEB","url":"https://github.com/django/django/commit/c613af4d6485586c79d692b70a9acac429f3ca9d"},{"type":"PACKAGE","url":"https://github.com/django/django"},{"type":"WEB","url":"https://github.com/pypa/advisory-database/tree/main/vulns/django/PYSEC-2011-4.yaml"},{"type":"WEB","url":"https://www.djangoproject.com/weblog/2011/sep/09"},{"type":"WEB","url":"https://www.djangoproject.com/weblog/2011/sep/10/127"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-04-10T03:42:03.027668Z"}}