{"cve":"CVE-2018-1000814","nvd":{"published":"2018-12-20T15:29:00.487","modified":"2026-06-17T01:33:06.157","status":"Modified","description":"aio-libs aiohttp-session version 2.6.0 and earlier contains a Other/Unknown vulnerability in EncryptedCookieStorage and NaClCookieStorage that can result in Non-expiring sessions / Infinite lifespan. This attack appear to be exploitable via Recreation of a cookie post-expiry with the same value.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","score":6.5},"cwes":["CWE-613"],"references":["https://github.com/aio-libs/aiohttp-session/issues/325","https://github.com/aio-libs/aiohttp-session/pull/331","https://github.com/aio-libs/aiohttp-session/issues/325","https://github.com/aio-libs/aiohttp-session/pull/331"],"products":["aio-libs:aiohttp_session"],"source":"nvd","synced_at":"2026-10-19T20:54:36.112582389+00:00"},"epss":{"cve":"CVE-2018-1000814","score":0.00965,"percentile":0.61709,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-mr4x-c4v9-x729","url":"https://osv.dev/vulnerability/GHSA-mr4x-c4v9-x729","summary":"aiohttp-session creates non-expiring sessions","modified":"2025-03-14T20:33:16.010498Z","packages":[{"ecosystem":"PyPI","name":"aiohttp-session","purl":"pkg:pypi/aiohttp-session","ranges":["<2.7.0"],"fixed":["2.7.0"]}]},{"id":"PYSEC-2018-35","url":"https://osv.dev/vulnerability/PYSEC-2018-35","summary":"","modified":"2023-11-08T03:59:40.317597Z","packages":[{"ecosystem":"PyPI","name":"aiohttp-session","purl":"pkg:pypi/aiohttp-session","ranges":["<2.7.0"],"fixed":["2.7.0"]}]}],"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."]}