{"id":"GHSA-fpwp-69xv-c67f","summary":"aiohttp-session Session Fixation vulnerability","details":"The pypi package aiohttp-session before 2.4.0 contained a Session Fixation vulnerability in `load_session` function for RedisStorage that can result in Session Hijacking. This attack appear to be exploitable via Any method that allows setting session cookies (`?session=\u003c\u003e`, or meta tags or script tags with Set-Cookie).","aliases":["CVE-2018-1000519","PYSEC-2018-80"],"modified":"2025-07-11T23:32:28.429947Z","published":"2018-09-13T15:46:40Z","database_specific":{"cwe_ids":["CWE-384"],"severity":"HIGH","github_reviewed":true,"github_reviewed_at":"2020-06-16T21:35:06Z","nvd_published_at":"2018-06-26T16:29:01Z"},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2018-1000519"},{"type":"WEB","url":"https://github.com/aio-libs/aiohttp-session/issues/272"},{"type":"WEB","url":"https://github.com/aio-libs/aiohttp-session/commit/6b7864004d3442dbcfaf8687f63262c1c629f569"},{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-fpwp-69xv-c67f"},{"type":"PACKAGE","url":"https://github.com/aio-libs/aiohttp-session"},{"type":"WEB","url":"https://github.com/aio-libs/aiohttp-session/blob/master/aiohttp_session/redis_storage.py#L60"},{"type":"WEB","url":"https://github.com/pypa/advisory-database/tree/main/vulns/aiohttp-session/PYSEC-2018-80.yaml"}],"affected":[{"package":{"name":"aiohttp-session","ecosystem":"PyPI","purl":"pkg:pypi/aiohttp-session"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.0"}]}],"versions":["0.0.1","0.1.0","0.1.1","0.1.2","0.2.0","0.3.0","0.4.0","0.5.0","0.7.0","0.7.1","0.8.0","1.0.0","1.0.1","1.1.0","1.2.0","1.2.1","2.0.0","2.0.1","2.1.0","2.2.0","2.3.0"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2018/09/GHSA-fpwp-69xv-c67f/GHSA-fpwp-69xv-c67f.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N"},{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N"}]}