Multiple Cpanel/WHM Vulnerabilities Allow Arbitrary Command Execution On Server
cPanel patched a root command-execution flaw and two stored XSS bugs in WHM.
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Stories tagged #whm
Multiple cPanel & WHM Vulnerabilities Enable Root Code Execution and Admin Session Hijacking
cPanel patched a critical root command-execution flaw and two WHM stored XSS bugs across supported versions.
New Cpanel Vulnerability Allows Attackers to Access Other Users’ Accounts
cPanel patched a root privilege escalation and cross-tenant flaws in calendars, contacts, and WordPress databases.
New cPanel Flaw Lets a Hosting Account Run Code as Root, Take Full Server Control
cPanel patched three flaws, including a root code-execution bug any hosting account can use to seize the server.
Hackers Exploit cPanel CVE-2026-41940 Auth Bypass to Deploy Mirai Malware
Attackers are exploiting CVE-2026-41940, a critical unauthenticated cPanel/WHM auth bypass, to compromise hosting servers and recruit them into Mirai botnets.
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Hackers Abuse Critical cPanel Authentication Bypass to Compromise Hosting Servers
Attackers exploited critical cPanel CVE-2026-41940 on hosting servers, deploying Mirai variants and ransomware.
Acronis cPanel Backup Plugin Vulnerability Exploited in Targeted Attacks
Acronis warns CVE-2026-87886, a local privilege escalation flaw in its cPanel/WHM and Plesk backup plugins, is exploited in targeted attacks.
Acronis Patches Exploited Vulnerability in cPanel Backup Plugin
Acronis urgently patched CVE-2026-87886 (CVSS 7.8), insecure file permissions enabling privilege escalation, exploited in targeted attacks on cPanel & WHM backups.
Acronis backup plugin flaw exploited in targeted attacks (CVE-2026-87886)
Acronis warns CVE-2026-87886, an authenticated Linux privilege escalation flaw in its cPanel, WHM, and Plesk backup plugins, is under limited targeted exploitation; patches released.
Acronis Plugin Vulnerability in cPanel and Plesk Exploited in the Wild
Acronis patched CVE-2026-87886 (CVSS 7.8), a local privilege escalation flaw in its cPanel and Plesk backup plugins, exploited in targeted attacks.
cPanel ConfigServer Security & Firewall Vulnerability Allows Remote Attacker to Execute Arbitrary Commands
CSF 14.00–16.29 (CVE-2026-65638) lets unauthenticated attackers execute arbitrary commands via the MESSENGER service on cPanel/WHM servers; version 16.30 fixes it.
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WebPros security advisory (AV26-908)
Canada's Cyber Centre relays WebPros advisories for SQL injection (CVE-2026-67401) in cPanel and two ConfigServer Firewall flaws.
New cPanel Vulnerability Allows Attacker to Gain Full Control of the Server
cPanel disclosed critical SQL injection CVE-2026-67401 in EmailTrack, letting authenticated users with mail privileges gain root code execution; patched builds available.
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New cPanel Flaw Lets a Hosting Account With Mail Privileges Run Code as Root
cPanel patched CVE-2026-67401, an SQL injection in EmailTrack letting an account with mail privileges run code as root on the server.
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Critical cPanel Flaw Could Let One Hosting Customer Take Root Control of a Whole Server
cPanel patched critical flaw CVE-2026-65643 letting authenticated hosting customers with addon or parked domain rights execute code as root and fully compromise servers.