{"id":"CVE-2026-48958","aliases":["BIT-joomla-2026-48958","EUVD-2026-42068","GHSA-c3p9-2r8w-w7xv"],"status":"published","title":"Joomla! Core - [20260712] - Incorrect Access Control in com_fields webservice endpoints","description":"An improper access check allows unauthorized users to create custom fields via webservices endpoints.","severity":{"version":"4.0","score":6.4,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:N/SC:H/SI:H/SA:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00461,"percentile":0.40189,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-284"],"published":"2026-07-07T17:32:35Z","modified":"2026-10-27T02:30:38Z","fixes":[{"ecosystem":"Bitnami","package":"joomla","fixed_in":["5.4.7","6.1.2"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"joomla","ranges":[{"type":"SEMVER","events":[{"introduced":"4.0.0"},{"fixed":"5.4.7"},{"introduced":"6.0.0"},{"fixed":"6.1.2"}]}]}],"products":[{"vendor":"joomla","product":"joomla\\!"},{"vendor":"joomla! project","product":"joomla! cms"}],"references":[{"url":"https://developer.joomla.org/security-centre/1066-20260712-core-incorrect-access-control-in-com-fields-webservice-endpoints.html","tags":["vendor-advisory","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-48958","tags":["web"]},{"url":"https://github.com/advisories/GHSA-c3p9-2r8w-w7xv"}],"sources":{"cve":[{"id":"CVE-2026-48958","title":"Joomla! Core - [20260712] - Incorrect Access Control in com_fields webservice endpoints","description":"An improper access check allows unauthorized users to create custom fields via webservices endpoints.","status":"published","published":"2026-07-07T17:32:35.922Z","modified":"2026-07-08T09:55:50.241Z","cvss":[{"version":"4.0","score":6.4,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:N/SC:H/SI:H/SA:H","level":"medium","assessor":"cna"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T14:19:47.998488Z"}],"euvd":[{"id":"EUVD-2026-42068","description":"An improper access check allows unauthorized users to create custom fields via webservices endpoints.","status":"published","published":"2026-07-07T17:32:35Z","modified":"2026-07-08T09:55:50Z","cvss":[{"version":"4.0","score":6.4,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:N/SC:H/SI:H/SA:H","level":"medium"}],"updated_at":"2026-11-02T18:20:11.442824Z"}],"ghsa":[{"id":"GHSA-c3p9-2r8w-w7xv","title":"An improper access check allows unauthorized users to create custom fields via webservices...","description":"An improper access check allows unauthorized users to create custom fields via webservices endpoints.","status":"published","published":"2026-07-07T21:31:35Z","modified":"2026-07-09T18:32:40Z","cvss":[{"version":"4.0","score":6.4,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:N/SC:H/SI:H/SA:H/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":"medium"},{"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"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T15:09:22.189239Z"}],"nvd":[{"id":"CVE-2026-48958","description":"An improper access check allows unauthorized users to create custom fields via webservices endpoints.","status":"published","published":"2026-07-07T19:16:54.567Z","modified":"2026-10-25T20:10:00.147Z","cvss":[{"version":"4.0","score":6.4,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:N/SC:H/SI:H/SA:H/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":"medium","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":"2026-11-02T14:12:28.040501Z"}],"osv":[{"id":"CVE-2026-48958","description":"An improper access check allows unauthorized users to create custom fields via webservices endpoints.","status":"published","published":"2026-07-07T19:16:54.567Z","modified":"2026-10-27T02:30:38.179486917Z","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":"2026-11-02T15:45:07.060148Z"},{"id":"BIT-joomla-2026-48958","title":"Joomla! Core - [20260712] - Incorrect Access Control in com_fields webservice endpoints","description":"An improper access check allows unauthorized users to create custom fields via webservices endpoints.","status":"published","published":"2026-07-12T23:44:06.329Z","modified":"2026-09-10T16:01:40.574026592Z","updated_at":"2026-11-02T15:28:31.782692Z"}]}}