{"id":"BIT-joomla-2021-26036","summary":"[20210702] - Core - DoS through usergroup table manipulation","details":"An issue was discovered in Joomla! 2.5.0 through 3.9.27. Missing validation of input could lead to a broken usergroups table.","aliases":["CVE-2021-26036"],"modified":"2026-09-08T08:48:01.395860106Z","published":"2025-04-03T14:13:37.395Z","database_specific":{"severity":"High","cpes":["cpe:2.3:a:joomla:joomla!:*:*:*:*:*:*:*:*"]},"references":[{"type":"ADVISORY","url":"https://developer.joomla.org/security-centre/857-20210702-core-dos-through-usergroup-table-manipulation.html"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-26036"}],"affected":[{"package":{"name":"joomla","ecosystem":"Bitnami","purl":"pkg:bitnami/joomla"},"ranges":[{"type":"SEMVER","events":[{"introduced":"2.5.0"},{"last_affected":"3.9.27"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/joomla/BIT-joomla-2021-26036.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}],"schema_version":"1.9.0"}