{"id":"CVE-2026-23898","aliases":["BIT-joomla-2026-23898","EUVD-2026-17861","GHSA-m9qp-xh66-cmcx"],"status":"published","title":"Joomla! Core - [20260305] - Arbitrary file deletion in com_joomlaupdate","description":"Lack of input validation leads to an arbitrary file deletion vulnerability in the autoupdate server mechanism.","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":0.00462,"percentile":0.40381,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-73"],"published":"2026-04-01T09:03:40Z","modified":"2026-10-28T02:30:25Z","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/1031-20260305-core-arbitrary-file-deletion-in-com-joomlaupdate.html","tags":["vendor-advisory","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-23898","tags":["web"]},{"url":"https://github.com/advisories/GHSA-m9qp-xh66-cmcx"}],"sources":{"cve":[{"id":"CVE-2026-23898","title":"Joomla! Core - [20260305] - Arbitrary file deletion in com_joomlaupdate","description":"Lack of input validation leads to an arbitrary file deletion vulnerability in the autoupdate server mechanism.","status":"published","published":"2026-04-01T09:03:40.185Z","modified":"2026-08-12T13:56:53.399Z","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-73"],"updated_at":"2026-11-02T13:42:26.790871Z"}],"euvd":[{"id":"EUVD-2026-17861","description":"Lack of input validation leads to an arbitrary file deletion vulnerability in the autoupdate server mechanism.","status":"published","published":"2026-04-01T09:03:40Z","modified":"2026-08-12T13:56:53Z","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":"2026-11-02T18:01:58.638592Z"}],"ghsa":[{"id":"GHSA-m9qp-xh66-cmcx","title":"Lack of input validation leads to an arbitrary file deletion vulnerability in the autoupdate...","description":"Lack of input validation leads to an arbitrary file deletion vulnerability in the autoupdate server mechanism.","status":"published","published":"2026-04-01T12:31:28Z","modified":"2026-04-09T21:31:25Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/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-73"],"updated_at":"2026-11-02T15:07:23.752851Z"}],"nvd":[{"id":"CVE-2026-23898","description":"Lack of input validation leads to an arbitrary file deletion vulnerability in the autoupdate server mechanism.","status":"published","published":"2026-04-01T10:16:16.397Z","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":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-73"],"updated_at":"2026-11-02T14:12:12.73929Z"}],"osv":[{"id":"CVE-2026-23898","description":"Lack of input validation leads to an arbitrary file deletion vulnerability in the autoupdate server mechanism.","status":"published","published":"2026-04-01T10:16:16.397Z","modified":"2026-10-28T02:30:25.908475537Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:59.079784Z"},{"id":"BIT-joomla-2026-23898","title":"Joomla! Core - [20260305] - Arbitrary file deletion in com_joomlaupdate","description":"Lack of input validation leads to an arbitrary file deletion vulnerability in the autoupdate server mechanism.","status":"published","published":"2026-04-10T08:49:22.196Z","modified":"2026-09-08T08:48:02.476833795Z","updated_at":"2026-11-02T15:28:31.782692Z"}]}}