CVE-2026-48172

CRITICALNVD 9.89.8
EchelonGraph scoreHIGH confidence

“—” beside the score: it is equal to NVD's CVSS score.

Score elevated to 9.8 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2026-05-26), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 9.8 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: CISA Known Exploited Vulnerabilities catalog, EPSS, GitHub Security Advisory, NVD CVSS v3
Trending — 3 sources updated this weekExploited in the wild
9.8EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV) — the reason this is sooner than the SSVC decision on this page at low mission impact
CISA-KEV: ExploitedEPSS PROB: 1.0%CVSS: 9.8Exploit: Public PoCExposed services: Not assessed

Installation of LiteSpeed WHM PlugIn 5.3.1.0 and cPanel 2.4.7 (from the CVE record's solution, MITRE Corporation) — apply it.

LiteSpeed User-End cPanel Plugin before 2.4.5 allows privilege escalation (possibly to root), as exploited in the wild in May 2026. Detection is best done via a command line of grep -rE "cpanel_jsonapi_func=redisAble" /var/cpanel/logs /usr/local/cpanel/logs/ 2>/dev/null in Bash. If you get no output, you have not been hit with exploitation of the vulnerability. If there is output, we recommend you examine the IP addresses in the list, determine if they are valid IP addresses, and if not, block them. To determine damage done, examine the system logs for use by the detected IP addresses. The issue is related to mishandling of Redis enable/disable features. The recommended minimum version is 2.4.7.

CVSS v3
9.8
EG Score
9.8CRITICALhigh confidence
EG Risk
99
EG Risk 99/100

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed (value × EchelonGraph’s weight)
Severity98% × 45%
The EG Score, 9.8 of 10.
Exploitation100% × 40%
Fixed at 100% for a CISA KEV listing: EchelonGraph's rule.
Automatability100% × 15%
CISA's SSVC Automatable value: yes (Vulnrichment).
SSVC (CISA's decision table, applied by EchelonGraph): Attend at low mission impact; Act at medium or high.
Exploitation active (CISA Vulnrichment) · Automatable yes (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). All three are CISA's SSVC values (Vulnrichment). EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE.
Action: Installation of LiteSpeed WHM PlugIn 5.3.1.0 and cPanel 2.4.7 (from the CVE record's solution, MITRE Corporation). Apply it sooner than your standard update timelines at low mission impact and as soon as possible at medium or high.
EPSS PROB
1.0%
EPSS %ILE
62nd
KEV
⚠ Exploited

SSVC (CISA's decision table, applied by EchelonGraph)Attend at low mission impact; Act at medium or high.

Installation of LiteSpeed WHM PlugIn 5.3.1.0 and cPanel 2.4.7 (from the CVE record's solution, MITRE Corporation). Apply it sooner than your standard update timelines at low mission impact and as soon as possible at medium or high.

Exploitation active (CISA Vulnrichment) · Automatable yes (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). All three are CISA's SSVC values (Vulnrichment). EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE. Mission impact is CISA's Mission & Well-being decision point, and only you can judge it. CISA's table makes it high when Mission Prevalence is Essential — the vulnerable component "directly provides capabilities that constitute at least one MEF for at least one entity" (MEF: mission essential function) — or when Public Well-Being Impact is Irreversible: "multiple fatalities are likely", the cyber-physical system "is likely lost or destroyed", "extreme or serious externalities" are imposed on other parties, or social systems such as elections or the financial grid "are destabilized and potentially collapse". CISA's decision table

BOD 26-04 (CISA's remediation timeline, Table 1)3 days & forensic triage if the affected system is publicly exposed; 3 days & forensic triage if it is not.

In CISA KEV yes (CISA's KEV catalog) · Automatable yes (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). Whether your system is publicly exposed is yours to answer. BOD 26-04 binds US Federal Civilian Executive Branch agencies; for anyone else it is CISA's published timeline, a reference rather than an obligation. The directive · how EchelonGraph applies it

CISA required action“Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.”

Quoted verbatim from CISA's Known Exploited Vulnerabilities catalog. CISA directs it at US federal civilian executive branch agencies under Binding Operational Directive (BOD) 26-04, which replaced BOD 22-01 on 10 June 2026; it is not EchelonGraph's advice. CISA's notes: https://blog.litespeedtech.com/2026/05/21/security-update-for-litespeed-cpanel-plugin/ · https://nvd.nist.gov/vuln/detail/CVE-2026-48172

Published

May 21, 2026

Last Modified

October 7, 2026

Advisory Details (4)

Auto-updated Oct 7, 2026
⚠️ Actively exploited (CISA KEV, CISA Vulnrichment). Fix named in the CVE record's solution (MITRE Corporation). Sources: cisa.
CISA🔴 Active Exploitation

Known Exploited Vulnerabilities Catalog | CISA

Known Exploited Vulnerabilities Catalog | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-48172
Web page

Control Panel Plugins Release Log - LiteSpeed Technologies

https://www.litespeedtech.com/products/litespeed-web-server/control-panel-support/release-log
Web page

Security Update for LiteSpeed cPanel Plugin ⋆ LiteSpeed Blog

https://blog.litespeedtech.com/2026/05/21/security-update-for-litespeed-cpanel-plugin/

Vendor Advisories for CVE-2026-48172(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 60× in last 7d / 254× in last 30d)

Each row is a time one of our pipelines fetched, updated or re-scored this CVE. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. An arrow marks a change the record states ("CVSS v3 → 9.1"); EPSS and GHSA rows show the values recorded at that time, not what changed (EPSS values are rounded; hover one for the exact figures). Most recent first.

Showing the most recent 100 of 1,126 refreshes on record for this CVE.

A repeat, a row identical to one the same pipeline wrote less than 10 seconds earlier, is not a separate refresh and is not counted. None are among the latest 100 rows. The 1,026 oldest rows on record are not shown and were not checked, so the counts can still include repeats.

  1. 2026-10-12 16:34 UTCEPSS rescoreEPSS 1.0% · 62nd percentile
  2. 2026-10-12 14:49 UTCEG score recompute
  3. 2026-10-12 14:49 UTCGHSA enrichmentGHSA-fxrh-cwjh-m33v · GitHub severity CRITICAL · GitHub CVSS 9.8
  4. 2026-10-12 08:43 UTCGHSA enrichmentGHSA-fxrh-cwjh-m33v · GitHub severity CRITICAL · GitHub CVSS 9.8
  5. 2026-10-12 04:53 UTCGHSA enrichmentGHSA-fxrh-cwjh-m33v · GitHub severity CRITICAL · GitHub CVSS 9.8
  6. 2026-10-12 01:08 UTCGHSA enrichmentGHSA-fxrh-cwjh-m33v · GitHub severity CRITICAL · GitHub CVSS 9.8
  7. 2026-10-11 21:21 UTCGHSA enrichmentGHSA-fxrh-cwjh-m33v · GitHub severity CRITICAL · GitHub CVSS 9.8
  8. 2026-10-11 19:44 UTCEG score recompute
  9. 2026-10-11 17:33 UTCGHSA enrichmentGHSA-fxrh-cwjh-m33v · GitHub severity CRITICAL · GitHub CVSS 9.8
  10. 2026-10-11 16:58 UTCEG score recompute
  11. 2026-10-11 13:49 UTCEPSS rescoreEPSS 1.0% · 62nd percentile
  12. 2026-10-11 13:45 UTCEG score recompute
  13. 2026-10-11 13:45 UTCGHSA enrichmentGHSA-fxrh-cwjh-m33v · GitHub severity CRITICAL · GitHub CVSS 9.8
  14. 2026-10-11 09:59 UTCGHSA enrichmentGHSA-fxrh-cwjh-m33v · GitHub severity CRITICAL · GitHub CVSS 9.8
  15. 2026-10-11 06:13 UTCGHSA enrichmentGHSA-fxrh-cwjh-m33v · GitHub severity CRITICAL · GitHub CVSS 9.8
  16. 2026-10-11 02:27 UTCGHSA enrichmentGHSA-fxrh-cwjh-m33v · GitHub severity CRITICAL · GitHub CVSS 9.8
  17. 2026-10-10 22:39 UTCEG score recompute
  18. 2026-10-10 22:39 UTCGHSA enrichmentGHSA-fxrh-cwjh-m33v · GitHub severity CRITICAL · GitHub CVSS 9.8
  19. 2026-10-10 20:00 UTCEPSS rescoreEPSS 1.0% · 62nd percentile
  20. 2026-10-10 18:53 UTCGHSA enrichmentGHSA-fxrh-cwjh-m33v · GitHub severity CRITICAL · GitHub CVSS 9.8
  21. 2026-10-10 15:06 UTCGHSA enrichmentGHSA-fxrh-cwjh-m33v · GitHub severity CRITICAL · GitHub CVSS 9.8
  22. 2026-10-10 11:20 UTCGHSA enrichmentGHSA-fxrh-cwjh-m33v · GitHub severity CRITICAL · GitHub CVSS 9.8
  23. 2026-10-10 07:34 UTCGHSA enrichmentGHSA-fxrh-cwjh-m33v · GitHub severity CRITICAL · GitHub CVSS 9.8
  24. 2026-10-10 03:48 UTCGHSA enrichmentGHSA-fxrh-cwjh-m33v · GitHub severity CRITICAL · GitHub CVSS 9.8
  25. 2026-10-10 00:02 UTCGHSA enrichmentGHSA-fxrh-cwjh-m33v · GitHub severity CRITICAL · GitHub CVSS 9.8
Show 75 more
  1. 2026-10-09 20:17 UTCEG score recompute
  2. 2026-10-09 20:16 UTCGHSA enrichmentGHSA-fxrh-cwjh-m33v · GitHub severity CRITICAL · GitHub CVSS 9.8
  3. 2026-10-09 20:07 UTCEPSS rescoreEPSS 1.0% · 62nd percentile
  4. 2026-10-09 16:30 UTCGHSA enrichmentGHSA-fxrh-cwjh-m33v · GitHub severity CRITICAL · GitHub CVSS 9.8
  5. 2026-10-09 12:44 UTCGHSA enrichmentGHSA-fxrh-cwjh-m33v · GitHub severity CRITICAL · GitHub CVSS 9.8
  6. 2026-10-09 08:58 UTCGHSA enrichmentGHSA-fxrh-cwjh-m33v · GitHub severity CRITICAL · GitHub CVSS 9.8
  7. 2026-10-09 05:13 UTCGHSA enrichmentGHSA-fxrh-cwjh-m33v · GitHub severity CRITICAL · GitHub CVSS 9.8
  8. 2026-10-09 01:27 UTCGHSA enrichmentGHSA-fxrh-cwjh-m33v · GitHub severity CRITICAL · GitHub CVSS 9.8
  9. 2026-10-08 21:41 UTCGHSA enrichmentGHSA-fxrh-cwjh-m33v · GitHub severity CRITICAL · GitHub CVSS 9.8
  10. 2026-10-08 17:55 UTCEG score recompute
  11. 2026-10-08 17:55 UTCGHSA enrichmentGHSA-fxrh-cwjh-m33v · GitHub severity CRITICAL · GitHub CVSS 9.8
  12. 2026-10-08 17:12 UTCEPSS rescoreEPSS 1.0% · 62nd percentile
  13. 2026-10-08 14:09 UTCGHSA enrichmentGHSA-fxrh-cwjh-m33v · GitHub severity CRITICAL · GitHub CVSS 9.8
  14. 2026-10-08 10:21 UTCGHSA enrichmentGHSA-fxrh-cwjh-m33v · GitHub severity CRITICAL · GitHub CVSS 9.8
  15. 2026-10-08 06:35 UTCGHSA enrichmentGHSA-fxrh-cwjh-m33v · GitHub severity CRITICAL · GitHub CVSS 9.8
  16. 2026-10-08 02:50 UTCEG score recompute
  17. 2026-10-08 02:50 UTCGHSA enrichmentGHSA-fxrh-cwjh-m33v · GitHub severity CRITICAL · GitHub CVSS 9.8
  18. 2026-10-07 23:48 UTCEPSS rescoreEPSS 1.0% · 62nd percentile
  19. 2026-10-07 23:04 UTCGHSA enrichmentGHSA-fxrh-cwjh-m33v · GitHub severity CRITICAL · GitHub CVSS 9.8
  20. 2026-10-07 19:19 UTCGHSA enrichmentGHSA-fxrh-cwjh-m33v · GitHub severity CRITICAL · GitHub CVSS 9.8
  21. 2026-10-07 18:27 UTCGHSA enrichmentGHSA-fxrh-cwjh-m33v · GitHub severity CRITICAL · GitHub CVSS 9.8
  22. 2026-10-07 16:14 UTCGHSA enrichmentGHSA-fxrh-cwjh-m33v · GitHub severity CRITICAL · GitHub CVSS 9.8
  23. 2026-10-07 12:28 UTCGHSA enrichmentGHSA-fxrh-cwjh-m33v · GitHub severity CRITICAL · GitHub CVSS 9.8
  24. 2026-10-07 08:43 UTCGHSA enrichmentGHSA-fxrh-cwjh-m33v · GitHub severity CRITICAL · GitHub CVSS 9.8
  25. 2026-10-07 04:57 UTCGHSA enrichmentGHSA-fxrh-cwjh-m33v · GitHub severity CRITICAL · GitHub CVSS 9.8
  26. 2026-10-07 01:11 UTCGHSA enrichmentGHSA-fxrh-cwjh-m33v · GitHub severity CRITICAL · GitHub CVSS 9.8
  27. 2026-10-06 21:25 UTCGHSA enrichmentGHSA-fxrh-cwjh-m33v · GitHub severity CRITICAL · GitHub CVSS 9.8
  28. 2026-10-06 17:39 UTCEG score recompute
  29. 2026-10-06 17:39 UTCGHSA enrichmentGHSA-fxrh-cwjh-m33v · GitHub severity CRITICAL · GitHub CVSS 9.8
  30. 2026-10-06 15:18 UTCEPSS rescoreEPSS 1.0% · 61st percentile
  31. 2026-10-06 13:54 UTCGHSA enrichmentGHSA-fxrh-cwjh-m33v · GitHub severity CRITICAL · GitHub CVSS 9.8
  32. 2026-10-06 10:08 UTCGHSA enrichmentGHSA-fxrh-cwjh-m33v · GitHub severity CRITICAL · GitHub CVSS 9.8
  33. 2026-10-06 06:22 UTCGHSA enrichmentGHSA-fxrh-cwjh-m33v · GitHub severity CRITICAL · GitHub CVSS 9.8
  34. 2026-10-06 02:37 UTCGHSA enrichmentGHSA-fxrh-cwjh-m33v · GitHub severity CRITICAL · GitHub CVSS 9.8
  35. 2026-10-05 22:51 UTCGHSA enrichmentGHSA-fxrh-cwjh-m33v · GitHub severity CRITICAL · GitHub CVSS 9.8
  36. 2026-10-05 19:06 UTCEG score recompute
  37. 2026-10-05 19:06 UTCGHSA enrichmentGHSA-fxrh-cwjh-m33v · GitHub severity CRITICAL · GitHub CVSS 9.8
  38. 2026-10-05 17:43 UTCEPSS rescoreEPSS 1.0% · 61st percentile
  39. 2026-10-05 15:21 UTCGHSA enrichmentGHSA-fxrh-cwjh-m33v · GitHub severity CRITICAL · GitHub CVSS 9.8
  40. 2026-10-05 11:35 UTCGHSA enrichmentGHSA-fxrh-cwjh-m33v · GitHub severity CRITICAL · GitHub CVSS 9.8
  41. 2026-10-05 07:50 UTCGHSA enrichmentGHSA-fxrh-cwjh-m33v · GitHub severity CRITICAL · GitHub CVSS 9.8
  42. 2026-10-05 04:04 UTCGHSA enrichmentGHSA-fxrh-cwjh-m33v · GitHub severity CRITICAL · GitHub CVSS 9.8
  43. 2026-10-05 00:17 UTCEG score recompute
  44. 2026-10-05 00:16 UTCGHSA enrichmentGHSA-fxrh-cwjh-m33v · GitHub severity CRITICAL · GitHub CVSS 9.8
  45. 2026-10-04 23:22 UTCEPSS rescoreEPSS 1.0% · 61st percentile
  46. 2026-10-04 20:29 UTCGHSA enrichmentGHSA-fxrh-cwjh-m33v · GitHub severity CRITICAL · GitHub CVSS 9.8
  47. 2026-10-04 16:43 UTCGHSA enrichmentGHSA-fxrh-cwjh-m33v · GitHub severity CRITICAL · GitHub CVSS 9.8
  48. 2026-10-04 12:57 UTCGHSA enrichmentGHSA-fxrh-cwjh-m33v · GitHub severity CRITICAL · GitHub CVSS 9.8
  49. 2026-10-04 09:11 UTCGHSA enrichmentGHSA-fxrh-cwjh-m33v · GitHub severity CRITICAL · GitHub CVSS 9.8
  50. 2026-10-04 05:26 UTCGHSA enrichmentGHSA-fxrh-cwjh-m33v · GitHub severity CRITICAL · GitHub CVSS 9.8
  51. 2026-10-04 01:41 UTCGHSA enrichmentGHSA-fxrh-cwjh-m33v · GitHub severity CRITICAL · GitHub CVSS 9.8
  52. 2026-10-03 21:55 UTCGHSA enrichmentGHSA-fxrh-cwjh-m33v · GitHub severity CRITICAL · GitHub CVSS 9.8
  53. 2026-10-03 18:08 UTCEG score recompute
  54. 2026-10-03 18:07 UTCGHSA enrichmentGHSA-fxrh-cwjh-m33v · GitHub severity CRITICAL · GitHub CVSS 9.8
  55. 2026-10-03 14:25 UTCEPSS rescoreEPSS 1.0% · 61st percentile
  56. 2026-10-03 14:19 UTCGHSA enrichmentGHSA-fxrh-cwjh-m33v · GitHub severity CRITICAL · GitHub CVSS 9.8
  57. 2026-10-03 10:33 UTCGHSA enrichmentGHSA-fxrh-cwjh-m33v · GitHub severity CRITICAL · GitHub CVSS 9.8
  58. 2026-10-03 06:47 UTCGHSA enrichmentGHSA-fxrh-cwjh-m33v · GitHub severity CRITICAL · GitHub CVSS 9.8
  59. 2026-10-03 03:01 UTCGHSA enrichmentGHSA-fxrh-cwjh-m33v · GitHub severity CRITICAL · GitHub CVSS 9.8
  60. 2026-10-02 23:15 UTCGHSA enrichmentGHSA-fxrh-cwjh-m33v · GitHub severity CRITICAL · GitHub CVSS 9.8
  61. 2026-10-02 19:28 UTCEG score recompute
  62. 2026-10-02 19:28 UTCGHSA enrichmentGHSA-fxrh-cwjh-m33v · GitHub severity CRITICAL · GitHub CVSS 9.8
  63. 2026-10-02 15:43 UTCGHSA enrichmentGHSA-fxrh-cwjh-m33v · GitHub severity CRITICAL · GitHub CVSS 9.8
  64. 2026-10-02 11:57 UTCGHSA enrichmentGHSA-fxrh-cwjh-m33v · GitHub severity CRITICAL · GitHub CVSS 9.8
  65. 2026-10-02 08:08 UTCGHSA enrichmentGHSA-fxrh-cwjh-m33v · GitHub severity CRITICAL · GitHub CVSS 9.8
  66. 2026-10-02 04:22 UTCGHSA enrichmentGHSA-fxrh-cwjh-m33v · GitHub severity CRITICAL · GitHub CVSS 9.8
  67. 2026-10-02 00:37 UTCGHSA enrichmentGHSA-fxrh-cwjh-m33v · GitHub severity CRITICAL · GitHub CVSS 9.8
  68. 2026-10-01 20:52 UTCEG score recompute
  69. 2026-10-01 20:51 UTCGHSA enrichmentGHSA-fxrh-cwjh-m33v · GitHub severity CRITICAL · GitHub CVSS 9.8
  70. 2026-10-01 19:50 UTCEPSS rescoreEPSS 1.0% · 61st percentile
  71. 2026-10-01 17:03 UTCGHSA enrichmentGHSA-fxrh-cwjh-m33v · GitHub severity CRITICAL · GitHub CVSS 9.8
  72. 2026-10-01 13:17 UTCGHSA enrichmentGHSA-fxrh-cwjh-m33v · GitHub severity CRITICAL · GitHub CVSS 9.8
  73. 2026-10-01 09:32 UTCGHSA enrichmentGHSA-fxrh-cwjh-m33v · GitHub severity CRITICAL · GitHub CVSS 9.8
  74. 2026-10-01 05:46 UTCGHSA enrichmentGHSA-fxrh-cwjh-m33v · GitHub severity CRITICAL · GitHub CVSS 9.8
  75. 2026-10-01 02:00 UTCGHSA enrichmentGHSA-fxrh-cwjh-m33v · GitHub severity CRITICAL · GitHub CVSS 9.8

Publicly available exploits

(1 reference)

Public exploit code is referenced for this CVE (1 GitHub PoC). Defenders should treat patch urgency accordingly.

  • GitHub PoCHORKimhab/CVE-2026-48172
    Published May 23, 2026

    CVE-2026-48172

    Open source ↗

Frequently asked(6)

What is CVE-2026-48172?
CVE-2026-48172 is a critical-severity vulnerability; its CVE record was published on May 21, 2026. LiteSpeed User-End cPanel Plugin before 2.4.5 allows privilege escalation (possibly to root), as exploited in the wild in May 2026. Detection is best done via a command line of grep -rE "cpaneljsonapifunc=redisAble" /var/cpanel/logs /usr/local/cpanel/logs/ 2>/dev/null in Bash. If you get no output,…
When was the CVE record for CVE-2026-48172 published?
The CVE record for CVE-2026-48172 was published on May 21, 2026. That is the record's publication date; the vulnerability itself may have been made public earlier. EchelonGraph's copy of the record carries a last-modified date of October 7, 2026; the record at its source may have been updated since.
Is CVE-2026-48172 actively exploited?
Yes. CISA added CVE-2026-48172 to the Known Exploited Vulnerabilities catalog on May 26, 2026, affecting LiteSpeed cPanel Plugin. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate attention. Installation of LiteSpeed WHM PlugIn 5.3.1.0 and cPanel 2.4.7 (from the CVE record's solution, MITRE Corporation). Apply it.
What is the CVSS score of CVE-2026-48172?
CVE-2026-48172 has a CVSS v3 base score of 9.8 (NVD).
Which products are affected by CVE-2026-48172?
CVE-2026-48172 affects LiteSpeed cPanel Plugin.
How do I remediate CVE-2026-48172?
The CVE record's solution for CVE-2026-48172, written by its CNA MITRE Corporation, names the fix: "Installation of LiteSpeed WHM PlugIn 5.3.1.0 and cPanel 2.4.7." The vendor advisories EchelonGraph has for CVE-2026-48172 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

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