{"id":"CVE-2026-23899","aliases":["BIT-joomla-2026-23899","EUVD-2026-17863","GHSA-2rg7-jp97-9whm"],"status":"published","title":"Joomla! Core - [20260306] - Improper access check in webservice endpoints","description":"An improper access check allows unauthorized access to webservice endpoints.","severity":{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00409,"percentile":0.35464,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-284"],"published":"2026-04-01T09:03:18Z","modified":"2026-10-28T02:31:04Z","fixes":[{"ecosystem":"Bitnami","package":"joomla","fixed_in":["5.4.4","6.0.4"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"joomla","ranges":[{"type":"SEMVER","events":[{"introduced":"3.0.0"},{"fixed":"5.4.4"},{"introduced":"6.0.0"},{"fixed":"6.0.4"}]}]}],"products":[{"vendor":"joomla","product":"joomla\\!"},{"vendor":"joomla! project","product":"joomla! cms"}],"references":[{"url":"https://developer.joomla.org/security-centre/1032-20260306-core-improper-access-check-in-webservice-endpoints.html","tags":["vendor-advisory","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-23899","tags":["web"]},{"url":"https://github.com/advisories/GHSA-2rg7-jp97-9whm"}],"sources":{"cve":[{"id":"CVE-2026-23899","title":"Joomla! Core - [20260306] - Improper access check in webservice endpoints","description":"An improper access check allows unauthorized access to webservice endpoints.","status":"published","published":"2026-04-01T09:03:18.563Z","modified":"2026-04-02T07:56:08.444Z","cvss":[{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T13:42:15.603999Z"}],"euvd":[{"id":"EUVD-2026-17863","description":"An improper access check allows unauthorized access to webservice endpoints.","status":"published","published":"2026-04-01T09:03:18Z","modified":"2026-04-02T07:56:08Z","cvss":[{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T19:25:23.620594Z"}],"ghsa":[{"id":"GHSA-2rg7-jp97-9whm","title":"An improper access check allows unauthorized access to webservice endpoints.","description":"An improper access check allows unauthorized access to webservice endpoints.","status":"published","published":"2026-04-01T12:31:28Z","modified":"2026-04-09T21:32:32Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"},{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/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","level":"high"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T15:07:24.354029Z"}],"nvd":[{"id":"CVE-2026-23899","description":"An improper access check allows unauthorized access to webservice endpoints.","status":"published","published":"2026-04-01T10:16:16.543Z","modified":"2026-10-26T21:10:00.17Z","cvss":[{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/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","level":"high","assessor":"secondary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T14:12:12.73929Z"}],"osv":[{"id":"CVE-2026-23899","description":"An improper access check allows unauthorized access to webservice endpoints.","status":"published","published":"2026-04-01T10:16:16.543Z","modified":"2026-10-28T02:31:04.356449665Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:59.079784Z"},{"id":"BIT-joomla-2026-23899","title":"Joomla! Core - [20260306] - Improper access check in webservice endpoints","description":"An improper access check allows unauthorized access to webservice endpoints.","status":"published","published":"2026-04-10T08:49:24.143Z","modified":"2026-09-08T08:48:02.612376356Z","updated_at":"2026-11-02T15:28:31.782692Z"}]}}