{"document":{"category":"csaf_vex","csaf_version":"2.0","title":"CVE-2026-54420: LiteSpeed cPanel plugin before 2","publisher":{"category":"vendor","name":"HarborGuard Database","namespace":"https://database.harborguard.co"},"tracking":{"id":"CVE-2026-54420","status":"final","version":"1","initial_release_date":"2026-06-14T03:23:12.863Z","current_release_date":"2026-06-14T03:23:12.863Z","revision_history":[{"date":"2026-06-14T03:23:12.863Z","number":"1","summary":"Initial machine-readable export from HarborGuard."}]},"distribution":{"tlp":{"label":"WHITE"},"text":"Public CVE data; freely redistributable."},"notes":[{"category":"description","text":"LiteSpeed cPanel plugin before 2.4.8 (as distributed in LiteSpeed WHM PlugIn before 5.3.2.0) mishandles symlinks provided by a user with FTP or web shell access on a shared hosting server running CloudLinux/CageFS, as exploited in the wild in May 2026.","title":"CVE description"}],"references":[{"category":"self","summary":"CVE-2026-54420 on HarborGuard Database","url":"https://database.harborguard.co/cve/CVE-2026-54420"},{"category":"external","summary":"CVE Record","url":"https://www.cve.org/CVERecord?id=CVE-2026-54420"},{"category":"external","summary":"litespeedtech.com","url":"https://www.litespeedtech.com/products/litespeed-web-server/control-panel-support/cpanel"},{"category":"external","summary":"blog.litespeedtech.com","url":"https://blog.litespeedtech.com/2026/06/01/security-update-for-litespeed-cpanel-plugin-2/"}]},"product_tree":{"branches":[{"category":"vendor","name":"LiteSpeed Technologies","branches":[{"category":"product_name","name":"cPanel Plugin","branches":[{"category":"product_version_range","name":">=2.3 <2.4.8","product":{"name":"LiteSpeed Technologies cPanel Plugin >=2.3 <2.4.8","product_id":"CSAFPID-1","product_identification_helper":{"cpe":"cpe:2.3:a:litespeed_technologies:cpanel_plugin:*:*:*:*:*:*:*:*"}}}]}]}]},"vulnerabilities":[{"cve":"CVE-2026-54420","title":"LiteSpeed cPanel plugin before 2","notes":[{"category":"description","text":"LiteSpeed cPanel plugin before 2.4.8 (as distributed in LiteSpeed WHM PlugIn before 5.3.2.0) mishandles symlinks provided by a user with FTP or web shell access on a shared hosting server running CloudLinux/CageFS, as exploited in the wild in May 2026.","title":"CVE description"}],"product_status":{"known_affected":["CSAFPID-1"]},"scores":[{"cvss_v3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H","baseScore":8.5,"baseSeverity":"HIGH"},"products":["CSAFPID-1"]}],"remediations":[{"category":"vendor_fix","details":"Update to a fixed version: 2.4.8.","product_ids":["CSAFPID-1"]}]}]}