WebPros · cPanel & WHM and WP2 (WordPress Squared)
CVE-2026-41940
WebPros cPanel and WHM Authentication Bypass via Login Flow
O que é
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.
CISA: WebPros cPanel & WHM (WebHost Manager) and WP2 (WordPress Squared) contain an authentication bypass vulnerability in the login flow that allows unauthenticated remote attackers to gain unauthorized access to the control panel.
O que fazer
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Prazo para as agências federais dos EUA: 3 de maio de 2026
- Adicionada à lista da CISA
- 30 de abril de 2026
- Publicada
- 29 de abril de 2026
- Gravidade
- Crítica 9,3 CVSS 4.0
- Chance de ataques nos próximos 30 dias (EPSS)
- 99% entre os 0,1% mais altos de todas as vulnerabilidades conhecidas
- Fraqueza
- CWE-306
- Mais detalhes
- NVD · CVE.org · CISA
Todas as referências (5)
- 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
Fontes: Known Exploited Vulnerabilities (CISA, domínio público), CVE records (cve.org) e EPSS (FIRST). A chance de ataque é a estimativa EPSS de que alguém tente explorar a falha nos próximos 30 dias.