{"id":"CVE-2023-42446","aliases":["GHSA-3cjh-p6pw-jhv9"],"url":"https://o3.security/vulnerability/CVE-2023-42446","summary":"Pow Mnesia cache doesn't invalidate all expired keys on startup","details":"Pow is a authentication and user management solution for Phoenix and Plug-based apps. Starting in version 1.0.14 and prior to version 1.0.34, use of `Pow.Store.Backend.MnesiaCache` is susceptible to session hijacking as expired keys are not being invalidated correctly on startup. A session may expire when all `Pow.Store.Backend.MnesiaCache` instances have been shut down for a period that is longer than a session's remaining TTL. Version 1.0.34 contains a patch for this issue. As a workaround, expired keys, including all expired sessions, can be manually invalidated.","published":"2023-09-18T21:29:22.133Z","modified":"2026-07-15T01:49:17.226980717Z","cvss":{"score":6.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":1,"affectedPackages":[{"ecosystem":"Hex","name":"pow","fixedVersion":"1.0.34"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/42xxx/CVE-2023-42446.json"},{"type":"ADVISORY","url":"https://github.com/pow-auth/pow/security/advisories/GHSA-3cjh-p6pw-jhv9"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-42446"},{"type":"REPORT","url":"https://github.com/pow-auth/pow/issues/713"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-15T01:49:17.226980717Z"}}