Baitaphish
Security intelligence
SearchLatest briefing
CVE Explorer

CVE-2026-54420

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.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:0107c46ecfcfbc58d4d1e536cf7c371e5daf57fa54d3abc8e3373c4841c06320
Known exploited
CISA KEV
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"defaultStatus":"unaffected","packageName":"WHM and cPanel PlugIn","platforms":["Linux"],"product":"cPanel Plugin","vendor":"LiteSpeed Technologies","versions":[{"lessThan":"2.4.8","status":"affected","version":"2.3","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:2fb76a925c8be2313c982ea5edf650271851927a8fc4d828758c3de8f22f371d · sha256:5d7be5ef2dc54b8f… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.5,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:2fb76a925c8be2313c982ea5edf650271851927a8fc4d828758c3de8f22f371d · sha256:5d7be5ef2dc54b8f… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-61","description":"CWE-61 UNIX Symbolic Link (Symlink) Following","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:2fb76a925c8be2313c982ea5edf650271851927a8fc4d828758c3de8f22f371d · sha256:5d7be5ef2dc54b8f… · /containers/cna/problemTypes/0/descriptions/0

Known exploitation assertions

2 source assertions
{"cwes":["CWE-61"],"dateAdded":"2026-06-15","dueDate":"2026-06-18","knownRansomwareCampaignUse":"Unknown","notes":"https://blog.litespeedtech.com/2026/06/01/security-update-for-litespeed-cpanel-plugin-2/ ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-54420","product":"cPanel Plugin","requiredAction":"Apply mitigations in accordance with vend…
  • cisa_kev_jsonknown_exploited
    urn:baitaphish:normalized-source-record:v2:bfc1f8672e9ccb1e6eca00a4f0e697c72d8706303a5a10bfea3634b7a309f55a · sha256:16acee8334e59e44… · /vulnerabilities/36
    Open source location →
{"cwes":["CWE-61"],"dateAdded":"2026-06-15","dueDate":"2026-06-18","knownRansomwareCampaignUse":"Unknown","notes":"https://blog.litespeedtech.com/2026/06/01/security-update-for-litespeed-cpanel-plugin-2/ ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-54420","product":"cPanel Plugin","requiredAction":"Apply mitigations in accordance with vend…
  • cisa_kev_jsonknown_exploited
    urn:baitaphish:normalized-source-record:v2:69baf155f9fca781ab3a6cd14373180ff5186a40502da4862facab7e251cb4e8 · sha256:635dff916c4092c0… · /vulnerabilities/39
    Open source location →

Source references

3 source assertions
{"url":"https://blog.litespeedtech.com/2026/06/01/security-update-for-litespeed-cpanel-plugin-2/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2fb76a925c8be2313c982ea5edf650271851927a8fc4d828758c3de8f22f371d · sha256:5d7be5ef2dc54b8f… · /containers/cna/references/1
{"tags":["government-resource"],"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-54420"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2fb76a925c8be2313c982ea5edf650271851927a8fc4d828758c3de8f22f371d · sha256:5d7be5ef2dc54b8f… · /containers/adp/0/references/0
{"url":"https://www.litespeedtech.com/products/litespeed-web-server/control-panel-support/cpanel"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2fb76a925c8be2313c982ea5edf650271851927a8fc4d828758c3de8f22f371d · sha256:5d7be5ef2dc54b8f… · /containers/cna/references/0

Attribution and limitations

  • CISA Known Exploited Vulnerabilities JSON: CISA named for provenance; do not use CISA/DHS marks or imply endorsement Source →
  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

← Back to CVE Explorer