9.8Kritisch KEV In Ransomware genutzt

CVE-2026-41940WebPros cPanel and WHM Authentication Bypass via Login Flow

WebPros cPanel; WebPros WP Squared; WebPros WHM Veröffentlicht: (vor 6 Monaten)

Bekannt ausgenutzt — WebPros cPanel & WHM and WP2 (WordPress Squared) Missing Authentication for Critical Function Vulnerability

CISA hat am 30.04.2026 bestätigt, dass diese Schwachstelle in echten Angriffen genutzt wird. Frist für US-Bundesbehörden: 03.05.2026.

Erforderliche Maßnahme: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. 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://nvd.nist.gov/vuln/detail/CVE-2026-41940"

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.

Schwachstellentyp (CWE): CWE-306

Daten: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Wiedergegeben wie in der Quelle, auf Englisch.

Betroffene Produkte und Versionen

HerstellerProduktVersionen
cpanel cpanel 11.40.0.0 – < 11.86.0.41
cpanel whm 11.40.0.0 – < 11.86.0.41
cpanel wp squared < 136.1.7
WebPros cPanel 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
WebPros WHM 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
WebPros WP Squared < 11.136.1.7

Referenzen und Patches

CPE-Treffer (NVD) (19)

  • cpe:2.3:a:cpanel:cpanel:*:*:*:*:*:*:*:* ≥ 11.40 < 86.0.41
  • cpe:2.3:a:cpanel:cpanel:*:*:*:*:*:*:*:* ≥ 88.0.0 < 110.0.97
  • cpe:2.3:a:cpanel:cpanel:*:*:*:*:*:*:*:* ≥ 112.0.0 < 118.0.63
  • cpe:2.3:a:cpanel:cpanel:*:*:*:*:*:*:*:* ≥ 120.0.0 < 124.0.35
  • cpe:2.3:a:cpanel:cpanel:*:*:*:*:*:*:*:* ≥ 126.0.1 < 126.0.54
  • cpe:2.3:a:cpanel:cpanel:*:*:*:*:*:*:*:* ≥ 128.0.0 < 130.0.19
  • cpe:2.3:a:cpanel:cpanel:*:*:*:*:*:*:*:* ≥ 132.0.0 < 132.0.29
  • cpe:2.3:a:cpanel:cpanel:*:*:*:*:*:*:*:* ≥ 134.0.0 < 134.0.20
  • cpe:2.3:a:cpanel:cpanel:*:*:*:*:*:*:*:* ≥ 136.0.0 < 136.0.5
  • cpe:2.3:a:cpanel:whm:*:*:*:*:*:*:*:* ≥ 11.40 < 86.0.41
  • cpe:2.3:a:cpanel:whm:*:*:*:*:*:*:*:* ≥ 88.0.0 < 110.0.97
  • cpe:2.3:a:cpanel:whm:*:*:*:*:*:*:*:* ≥ 112.0.0 < 118.0.63
  • cpe:2.3:a:cpanel:whm:*:*:*:*:*:*:*:* ≥ 120.0.0 < 124.0.35
  • cpe:2.3:a:cpanel:whm:*:*:*:*:*:*:*:* ≥ 126.0.1 < 126.0.54
  • cpe:2.3:a:cpanel:whm:*:*:*:*:*:*:*:* ≥ 128.0.0 < 130.0.19
  • cpe:2.3:a:cpanel:whm:*:*:*:*:*:*:*:* ≥ 132.0.0 < 132.0.29
  • cpe:2.3:a:cpanel:whm:*:*:*:*:*:*:*:* ≥ 134.0.0 < 134.0.20
  • cpe:2.3:a:cpanel:whm:*:*:*:*:*:*:*:* ≥ 136.0.0 < 136.0.5
  • cpe:2.3:a:cpanel:wp_squared:*:*:*:*:*:wordpress:*:* < 136.1.7