{"id":"CVE-2021-26600","details":"ImpressCMS before 1.4.3 has plugins/preloads/autologin.php type confusion with resultant Authentication Bypass (!= instead of !==).","aliases":["GHSA-m8xh-cqc2-5q6f"],"modified":"2026-07-09T01:30:28.384885Z","published":"2022-03-28T01:15:06.927Z","references":[{"type":"ADVISORY","url":"http://karmainsecurity.com/KIS-2022-01"},{"type":"EVIDENCE","url":"http://packetstormsecurity.com/files/166393/ImpressCMS-1.4.2-Authentication-Bypass.html"},{"type":"EVIDENCE","url":"http://seclists.org/fulldisclosure/2022/Mar/43"},{"type":"EVIDENCE","url":"https://hackerone.com/reports/1081986"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/impresscms/impresscms","events":[{"introduced":"0"},{"fixed":"e85b158aa49301fbdbc44fa94c6cb7611c942e35"}],"database_specific":{"cpe":"cpe:2.3:a:impresscms:impresscms:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"fixed":"1.4.3"}],"source":"CPE_RANGE"}}],"versions":["v1.4.3-rc2","v1.4.3-rc","v1.4.2_bis","v1.4.2","v1.4.2_rc","v1.4.0","v1.4.0-rc","v1.4.0-beta","v1.4.0-alpha.2","v1.4.0-alpha","v1.3.11","v1.3.11-rc2","v1.3.11-rc","v1.3.11-beta2","v1.3.11-beta","v1.3.10","1.3.10-beta","1.3.9","1.3.9_rc","v1.3.8","1.3.8","impresscms_1.3.4","impresscms_1.3.3"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-26600.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}