{"id":"BIT-joomla-2026-90907","summary":"Joomla! Core - [20260902] - Core - Unauthorized user account creation via profile.save controller in Joomla 1.5.0-5.4.8, 6.0.0-6.1.3","details":"Joomla! Core - [20260902] - Core - Unauthorized user account creation via profile.save controller in Joomla 1.5.0-5.4.8, 6.0.0-6.1.3 - The profile.save controller did not check the login state of a user, allowing the creation of guest-level users on sites without active user registration.","aliases":["CVE-2026-90907"],"modified":"2026-10-07T14:30:10.768308082Z","published":"2026-10-07T11:45:35.448Z","database_specific":{"severity":"Medium","cpes":["cpe:2.3:a:joomla:joomla!:*:*:*:*:*:*:*:*"]},"references":[{"type":"ADVISORY","url":"https://developer.joomla.org/security-centre/1082-20260902-core-unauthorized-user-account-creation-via-profile-save-controller.html"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-90907"},{"type":"WEB","url":"https://www.joomla.org/"}],"affected":[{"package":{"name":"joomla","ecosystem":"Bitnami","purl":"pkg:bitnami/joomla"},"ranges":[{"type":"SEMVER","events":[{"introduced":"1.5.0"},{"fixed":"5.4.8"},{"introduced":"6.0.0"},{"fixed":"6.1.3"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/joomla/BIT-joomla-2026-90907.json"},"severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X"}]}],"schema_version":"1.9.0"}