{"answers":{"affected":"It affects 2 products.","exploited":"Yes. Attackers have exploited CVE-2026-54420 in the wild since at least 15 Jun 2026.","fix":"No fix has been published for CVE-2026-54420 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 18 Jun 2026.","what":"CVE-2026-54420 is a high-severity path traversal vulnerability in LiteSpeed Technologies cPanel Plugin, published on 14 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2026-54420 and fix it if it is affected.\n\nWhat it is: CVE-2026-54420 is a high-severity path traversal vulnerability in LiteSpeed Technologies cPanel Plugin, published on 14 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.\nExploitation: Yes. Attackers have exploited CVE-2026-54420 in the wild since at least 15 Jun 2026.\n\nAffected product: LiteSpeed Technologies cPanel Plugin. No package-level version data is available, so check the vendor advisory linked from the reference page.\n\nTask:\n1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.\n2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.\n3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.\n4. Run the tests and summarise what changed and why.\n5. If nothing in the project is affected, say so and change nothing.\n\nReference: https://insights.sbomify.com/CVE-2026-54420/ (Markdown: https://insights.sbomify.com/CVE-2026-54420/index.md)","id":"CVE-2026-54420","markdown":"https://insights.sbomify.com/CVE-2026-54420/index.md","name":"CVE-2026-54420","record":{"aliases":["GHSA-3g44-c4qc-cxm8"],"analysis":{"component_type":"cms_plugin","fix_type":"upgrade","impacts":["privilege_escalation","data_read"],"network_reachable":"yes","non_default_config":false,"product_category":"cPanel plugin","requires_auth":"low_privilege","summary":"Attackers with FTP or web shell access can exploit symlink mishandling to escalate privileges or read data on shared hosting servers.","user_interaction":"not_required","vuln_class":"path_traversal"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"mitre","cpe":[{"product":"litespeed_cpanel_plugin","vendor":"litespeedtech"},{"product":"litespeed_whm_plugin","vendor":"litespeedtech"}],"cvss":{"score":8.5,"severity":"high","source":"cna","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H","version":"3.1"},"cwes":[{"id":"CWE-61","name":"UNIX Symbolic Link (Symlink) Following"}],"description":"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.","ecosystems":[],"exploits":{"exploitdb":0,"first_seen":"2026-06-16","github_poc":4,"max_poc_stars":3,"metasploit":0,"nuclei":0,"refs":[{"date":"2026-06-16T07:39:09Z","kind":"github_poc","ref":"https://github.com/mahfuzreham/litespeed-cpanel-cve-2026-54420-fix","stars":3,"title":null},{"date":"2026-06-16T06:09:03Z","kind":"github_poc","ref":"https://github.com/HORKimhab/CVE-2026-54420","stars":1,"title":"CVE-2026-54420"},{"date":"2026-06-16T07:14:20Z","kind":"github_poc","ref":"https://github.com/Resellnom/litespeed-cpanel-cve-2026-54420-fix","stars":0,"title":null},{"date":"2026-06-18T15:18:55Z","kind":"github_poc","ref":"https://github.com/fevar54/CVE-2026-54420-LiteSpeed-Symlink-Exploit","stars":0,"title":"PoC de CVE-2026-54420: explotacion via symlink en el plugin LiteSpeed de cPanel/WHM."}],"tier":"exploited"},"has_fix":null,"headline":"LiteSpeed cPanel Plugin UNIX Symbolic Link (Symlink) Following","id":"CVE-2026-54420","indexable":true,"kev":{"dateAdded":"2026-06-15","dueDate":"2026-06-18","knownRansomwareCampaignUse":"Unknown","product":"cPanel Plugin","requiredAction":"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.","vendorProject":"LiteSpeed","vulnerabilityName":"LiteSpeed cPanel Plugin UNIX Symbolic Link (Symlink) Following Vulnerability"},"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":"path_traversal","year":"2026"},"n_packages":0,"n_references":2,"next":{"headline":"OpenStack Ironic can return unredacted sensitive information when applying a PATCH to update fields in volume properties","id":"CVE-2026-54421"},"packages":[],"prev":{"headline":"PIAF-HMS multiple unauthenticated SQL injection vulnerabilities via mysql_query","id":"CVE-2026-54419"},"products":["cPanel Plugin"],"published":"2026-06-14","related":[{"cvss_score":10,"headline":"LiteSpeed cPanel Plugin Privilege Escalation","id":"CVE-2026-48172","kev_date_added":"2026-05-26","published":"2026-05-21"}],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"US public information, NVD API terms","name":"NVD"},{"class":"open","licence":"CC0 1.0","name":"CISA KEV"},{"class":"attribution","licence":"CWE Terms of Use","name":"CWE (MITRE)"},{"class":"attribution","licence":"FIRST CVSS licence","name":"CVSS (FIRST)"},{"class":"open","licence":"CC0","name":"PoC-in-GitHub"}],"ssvc":{"automatable":"no","exploitation":"active","technical_impact":"total"},"state":"PUBLISHED","updated":"2026-06-16","vendors":["LiteSpeed Technologies"]},"summary":"Attackers with FTP or web shell access can exploit symlink mishandling to escalate privileges or read data on shared hosting servers.","url":"https://insights.sbomify.com/CVE-2026-54420/"}