---
cve: "CVE-2026-41940"
severity: "CRITICAL"
cvss: 9.3
epss: "97.9%"
vendor: "WebPros"
kev: true
exploited: true
published: "2026-04-29 15:10:37"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-09-04T04:34:08+02:00"
---

# CVE-2026-41940

> 9.3 CRITICAL · ⚠️ CISA KEV (127 Tage) · 🔓 Exploited

## Beschreibung

cPanel 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.

## CVSS-Vektor

```
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Keine | bad |
| UI Interaktion | Keine | bad |

## Exploit-Evidenz

- [EDB-52574 — cPanel - CRLF Injection](https://www.exploit-db.com/exploits/52574)

## Referenzen

- <https://support.cpanel.net/hc/en-us/articles/40073787579671-cPanel-WHM-Security-Update-04-28-2026>
- <https://docs.cpanel.net/release-notes/release-notes>
- <https://docs.wpsquared.com/changelogs/versions/changelog/#13617>
- <https://www.namecheap.com/status-updates/ongoing-critical-security-vulnerability-in-cpanel-april-28-2026>
- <https://www.vulncheck.com/advisories/cpanel-and-whm-authentication-bypass-via-login-flow>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-41940) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_