WebPros · cPanel & WHM and WP2 (WordPress Squared)
CVE-2026-41940
WebPros cPanel and WHM Authentication Bypass via Login Flow
这是什么
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.
该怎么做
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
美国联邦机构的修复期限：2026年5月3日
- 加入 CISA 列表
- 2026年4月30日
- 发布日期
- 2026年4月29日
- 严重程度
- 严重 9.3 CVSS 4.0
- 未来 30 天遭受攻击的概率（EPSS）
- 99% 位列所有已知漏洞的前 0.1%
- 弱点类型
- CWE-306
- 更多详情
- NVD · CVE.org · CISA
全部参考链接（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
来源：Known Exploited Vulnerabilities（CISA，公有领域）、CVE records（cve.org）和 EPSS（FIRST）。受攻击概率是 EPSS 对未来 30 天内有人尝试利用该漏洞的估计。