{"schema":"threatline.record/2","record":{"id":"CVE-2026-54420","aliases":[],"summary":"LiteSpeed cPanel Plugin UNIX Symbolic Link (Symlink) Following Vulnerability","details":"LiteSpeed cPanel plugin contains a UNIX symbolic link (Symlink) following vulnerability that could allow a user with FTP or web shell access on a shared hosting server running CloudLinux/CageFS.","categories":["Applications & CMS"],"product":"cPanel Plugin","vendor":"LiteSpeed","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-54420","source_modified_at":"2026-06-16T03:56:05.377Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"cPanel Plugin","vendor":"LiteSpeed Technologies","versions":[{"lessThan":"2.4.8","status":"affected","version":"2.3","versionType":"custom"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-54420","source_modified_at":"2026-06-16T03:56:05.377Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"cPanel Plugin","ecosystem":null},"version":"2.4.8","basis":"first unaffected version stated in the CVE record"}],"cvss":8.5,"severity":"High","kev":{"listed":true,"date_added":"2026-06-15","due_date":"2026-06-18","required_action":"Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.","ransomware_campaign_use":"Unknown"},"epss":{"probability":0.00806,"percentile":0.56394,"score_date":"2026-10-23"},"published_at":"2026-06-14T03:23:12.863Z","modified_at":"2026-06-16T03:56:05.377Z","provenance":[{"source":"CISA KEV","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23T17:00:09.9001Z"},{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-54420","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-06-16T03:56:05.377Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-54420","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CISA KEV","CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://blog.litespeedtech.com/2026/06/01/security-update-for-litespeed-cpanel-plugin-2/"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-54420","source":"CISA KEV"},{"source":"CVE List","url":"https://www.litespeedtech.com/products/litespeed-web-server/control-panel-support/cpanel"},{"source":"CVE List","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-54420","tags":["government-resource"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"active","automatable":"no","technical_impact":"total","assessed_at":"2026-06-15T00:00:00+00:00"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-06-16T03:56:05.377Z","content_hash":"4db8053e615d7fcafc382b302f46d1f8a32bf80e86b61475a0938773c7ae7bf4"}}