{"cve":"CVE-2015-2296","nvd":{"published":"2015-03-18T16:59:03.517","modified":"2026-06-17T00:23:53.003","status":"Modified","description":"The resolve_redirects function in sessions.py in requests 2.1.0 through 2.5.3 allows remote attackers to conduct session fixation attacks via a cookie without a host value in a redirect.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["http://advisories.mageia.org/MGASA-2015-0120.html","http://lists.fedoraproject.org/pipermail/package-announce/2015-March/153594.html","http://www.mandriva.com/security/advisories?name=MDVSA-2015:133","http://www.openwall.com/lists/oss-security/2015/03/14/4","http://www.openwall.com/lists/oss-security/2015/03/15/1"],"products":["canonical:ubuntu_linux","mageia_project:mageia","python:requests"],"source":"nvd","synced_at":"2026-10-19T20:35:35.528235705+00:00"},"epss":{"cve":"CVE-2015-2296","score":0.03182,"percentile":0.88075,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-pg2w-x9wp-vw92","url":"https://osv.dev/vulnerability/GHSA-pg2w-x9wp-vw92","summary":"Python Requests Session Fixation","modified":"2024-12-01T05:57:02.796059Z","packages":[{"ecosystem":"PyPI","name":"requests","purl":"pkg:pypi/requests","ranges":[">=2.1.0 <2.6.0"],"fixed":["2.6.0"]}]},{"id":"PYSEC-2015-17","url":"https://osv.dev/vulnerability/PYSEC-2015-17","summary":"","modified":"2026-06-10T17:02:37.461577652Z","packages":[{"ecosystem":"PyPI","name":"requests","purl":"pkg:pypi/requests","ranges":[">=2.1.0 <2.6.0"],"fixed":["2.6.0"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}