{"id":"CVE-2026-35223","aliases":["BIT-joomla-2026-35223","EUVD-2026-31877","GHSA-jvvp-39jc-x988"],"status":"published","title":"Joomla! Core - [20260508] - Improper access check in com_config webservice endpoints","description":"An improper access check allows unauthorized access to com_config 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":"2026-11-11","score":0.12794,"percentile":0.96334,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":true},"cwes":["CWE-284"],"published":"2026-05-26T16:43:21Z","modified":"2026-10-24T10:31:03Z","exploits":[{"source":"pocgithub","id":"LaRemontada12/CVE-2026-35223-Joomla-Access-Control","title":"LaRemontada12/CVE-2026-35223-Joomla-Access-Control","date":"2026-10-28","url":"https://github.com/LaRemontada12/CVE-2026-35223-Joomla-Access-Control"}],"fixes":[{"ecosystem":"Bitnami","package":"joomla","fixed_in":["5.4.6","6.1.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"joomla","ranges":[{"type":"SEMVER","events":[{"introduced":"4.0.0"},{"fixed":"5.4.6"},{"introduced":"6.0.0"},{"fixed":"6.1.1"}]}]}],"products":[{"vendor":"joomla","product":"joomla\\!"},{"vendor":"joomla! project","product":"joomla! cms"}],"references":[{"url":"https://developer.joomla.org/security-centre/1040-20260508-core-improper-access-check-in-com-config-webservice-endpoints.html","tags":["vendor-advisory","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-35223","tags":["web"]},{"url":"https://github.com/advisories/GHSA-jvvp-39jc-x988"}],"sources":{"cve":[{"id":"CVE-2026-35223","title":"Joomla! Core - [20260508] - Improper access check in com_config webservice endpoints","description":"An improper access check allows unauthorized access to com_config webservice endpoints.","status":"published","published":"2026-05-26T16:43:21.784Z","modified":"2026-05-27T09:12:29.087Z","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":"2026-11-02T14:20:05.505362Z"}],"euvd":[{"id":"EUVD-2026-31877","description":"An improper access check allows unauthorized access to com_config webservice endpoints.","status":"published","published":"2026-05-26T16:43:21Z","modified":"2026-05-27T09:12:29Z","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":"2026-11-02T18:21:06.054612Z"}],"ghsa":[{"id":"GHSA-jvvp-39jc-x988","title":"An improper access check allows unauthorized access to com_config webservice endpoints.","description":"An improper access check allows unauthorized access to com_config webservice endpoints.","status":"published","published":"2026-05-26T18:31:46Z","modified":"2026-05-28T21:33:05Z","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"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T15:08:22.24664Z"}],"nvd":[{"id":"CVE-2026-35223","description":"An improper access check allows unauthorized access to com_config webservice endpoints.","status":"published","published":"2026-05-26T17:16:36.08Z","modified":"2026-07-24T11:10:00.17Z","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":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T14:12:20.131508Z"}],"osv":[{"id":"CVE-2026-35223","description":"An improper access check allows unauthorized access to com_config webservice endpoints.","status":"published","published":"2026-05-26T17:16:36.08Z","modified":"2026-10-24T10:31:03.845624996Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:45:02.673625Z"},{"id":"BIT-joomla-2026-35223","title":"Joomla! Core - [20260508] - Improper access check in com_config webservice endpoints","description":"An improper access check allows unauthorized access to com_config webservice endpoints.","status":"published","published":"2026-05-29T08:44:36.646Z","modified":"2026-09-10T16:01:40.437392764Z","updated_at":"2026-11-02T15:28:31.782692Z"}]}}