Answer in brief
CVE-2026-41940 records a High severity vulnerability in WebPros cPanel and WHM Authentication Bypass via Login Flow. The current sources mark it as known exploited. The current feed maps WebPros/cPanel (generic), WebPros/WHM (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
Answer in brief
CVE-2026-41940 records a High severity vulnerability in WebPros cPanel and WHM Authentication Bypass via Login Flow. The current sources mark it as known exploited. The current feed maps WebPros/cPanel (generic), WebPros/WHM (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
A CVSS score is not reported in the current record. Known-exploitation status makes exposure review time-sensitive. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps WebPros/cPanel (generic), WebPros/WHM (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| WebPros/cPanelgeneric | >=11.40.0.0 <11.86.0.41 || >=11.88.0.0 <11.94.0.28 || >=11.96.0.0 <11.102.0.39 || >=11.104.0.0 <11.110.0.97 || >=11.112.0.0 <11.118.0.63 || >=11.120.0.0 <11.124.0.35 || >=11.126.0.0 <11.126.0.54 || >=11.128.0.0 <11.130.0.19 || >=11.132.0.0 <11.132.0.29 || >=11.134.0.0 <11.134.0.20 || >=11.136.0.0 <11.136.0.5 | 11.86.0.41, 11.94.0.28, 11.102.0.39, 11.110.0.97, 11.118.0.63, 11.124.0.35, 11.126.0.54, 11.130.0.19, 11.132.0.29, 11.134.0.20, 11.136.0.5 |
| WebPros/WHMgeneric | >=11.40.0.0 <11.86.0.41 || >=11.88.0.0 <11.94.0.28 || >=11.96.0.0 <11.102.0.39 || >=11.104.0.0 <11.110.0.97 || >=11.112.0.0 <11.118.0.63 || >=11.120.0.0 <11.124.0.35 || >=11.126.0.0 <11.126.0.54 || >=11.128.0.0 <11.130.0.19 || >=11.132.0.0 <11.132.0.29 || >=11.134.0.0 <11.134.0.20 || >=11.136.0.0 <11.136.0.5 | 11.86.0.41, 11.94.0.28, 11.102.0.39, 11.110.0.97, 11.118.0.63, 11.124.0.35, 11.126.0.54, 11.130.0.19, 11.132.0.29, 11.134.0.20, 11.136.0.5 |
Published upstream
Apr 29, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 4, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
May 24, 2026
Added to CISA KEV
Apr 30, 2026
Evidence: source:kev:kev:kev:recordcPanel and WHM versions after 11.40 contain an authentication bypass vulnerability in the login flow that allows unauthenticated remote attackers to gain unauthorized access to the control panel.
Quoted source text, attributed separately from HOL analysis.
A CVSS score is not reported in the current record. Known-exploitation status makes exposure review time-sensitive. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps WebPros/cPanel (generic), WebPros/WHM (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| WebPros/cPanelgeneric | >=11.40.0.0 <11.86.0.41 || >=11.88.0.0 <11.94.0.28 || >=11.96.0.0 <11.102.0.39 || >=11.104.0.0 <11.110.0.97 || >=11.112.0.0 <11.118.0.63 || >=11.120.0.0 <11.124.0.35 || >=11.126.0.0 <11.126.0.54 || >=11.128.0.0 <11.130.0.19 || >=11.132.0.0 <11.132.0.29 || >=11.134.0.0 <11.134.0.20 || >=11.136.0.0 <11.136.0.5 | 11.86.0.41, 11.94.0.28, 11.102.0.39, 11.110.0.97, 11.118.0.63, 11.124.0.35, 11.126.0.54, 11.130.0.19, 11.132.0.29, 11.134.0.20, 11.136.0.5 |
| WebPros/WHMgeneric | >=11.40.0.0 <11.86.0.41 || >=11.88.0.0 <11.94.0.28 || >=11.96.0.0 <11.102.0.39 || >=11.104.0.0 <11.110.0.97 || >=11.112.0.0 <11.118.0.63 || >=11.120.0.0 <11.124.0.35 || >=11.126.0.0 <11.126.0.54 || >=11.128.0.0 <11.130.0.19 || >=11.132.0.0 <11.132.0.29 || >=11.134.0.0 <11.134.0.20 || >=11.136.0.0 <11.136.0.5 | 11.86.0.41, 11.94.0.28, 11.102.0.39, 11.110.0.97, 11.118.0.63, 11.124.0.35, 11.126.0.54, 11.130.0.19, 11.132.0.29, 11.134.0.20, 11.136.0.5 |
Published upstream
Apr 29, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 4, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
May 24, 2026
Added to CISA KEV
Apr 30, 2026
Evidence: source:kev:kev:kev:recordcPanel and WHM versions after 11.40 contain an authentication bypass vulnerability in the login flow that allows unauthenticated remote attackers to gain unauthorized access to the control panel.
Quoted source text, attributed separately from HOL analysis.