importantSYS.SOURCE: The Hacker News• 2026-08-28T15:15:15+05:30

Critical cPanel Vulnerability CVE-2026-65643 Allows Root Code Execution via Domain Configuration

#cpanel #vulnerability #websecurity

A critical vulnerability in cPanel and WHM enables arbitrary code execution as root through domain configuration, posing a severe risk to shared hosting environments. Patches are available, but no evidence of exploitation has been reported yet.

cPanel has released patches for a security flaw affecting domain parking and addon domain functionality in cPanel and WebHost Manager (WHM), which could allow code execution as the root user.

The vulnerability, assigned the CVE identifier CVE-2026-65643, impacts all supported versions of cPanel & WHM.

cPanel described the issue as a critical security vulnerability and said that an

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> SWEDEN'S STRATEGIC GROWTH IN BUILDING A THRIVING STARTUP ECOSYSTEM > ATTIMET (YC F24) TECHNICAL STAFF HIRING: ENGINEERING AND RESEARCH ROLES > RUMORS OF SECURITY VULNERABILITIES ENABLE RAPID EXPLOIT DEVELOPMENT IN OPEN SOURCE > SURVEY REVEALS MAJORITY OF AMERICANS OPPOSE POLICE LICENSE PLATE SURVEILLANCE CAMERAS > DACTYL'S CROSS-PLATFORM SWIFTUI RENDERER ARCHITECTURE AND DEVELOPMENT PROCESS > RETRO APP SECURES $21M IN SERIES A FUNDING TO ENHANCE FRIEND-CENTRIC PHOTO SHARING > 19 CHROME AND EDGE EXTENSIONS DISCOVERED WITH MALICIOUS WALLET-STEALING AND CRYPTO-DRAINING CODE > RUNNING QWEN3.8 27B LOCALLY ON MAC STUDIO: PERFORMANCE METRICS AND QUANTIZATION ANALYSIS > CHINA WARNS OF PERSISTENT FLOOD RISK FROM NEPAL-CHINA BORDER BARRIER LAKE > Z.AI RELEASES OPEN-WEIGHT GLM-5.3 FOR AGENTIC CODING AND CYBER DEFENSE> SWEDEN'S STRATEGIC GROWTH IN BUILDING A THRIVING STARTUP ECOSYSTEM > ATTIMET (YC F24) TECHNICAL STAFF HIRING: ENGINEERING AND RESEARCH ROLES > RUMORS OF SECURITY VULNERABILITIES ENABLE RAPID EXPLOIT DEVELOPMENT IN OPEN SOURCE > SURVEY REVEALS MAJORITY OF AMERICANS OPPOSE POLICE LICENSE PLATE SURVEILLANCE CAMERAS > DACTYL'S CROSS-PLATFORM SWIFTUI RENDERER ARCHITECTURE AND DEVELOPMENT PROCESS > RETRO APP SECURES $21M IN SERIES A FUNDING TO ENHANCE FRIEND-CENTRIC PHOTO SHARING > 19 CHROME AND EDGE EXTENSIONS DISCOVERED WITH MALICIOUS WALLET-STEALING AND CRYPTO-DRAINING CODE > RUNNING QWEN3.8 27B LOCALLY ON MAC STUDIO: PERFORMANCE METRICS AND QUANTIZATION ANALYSIS > CHINA WARNS OF PERSISTENT FLOOD RISK FROM NEPAL-CHINA BORDER BARRIER LAKE > Z.AI RELEASES OPEN-WEIGHT GLM-5.3 FOR AGENTIC CODING AND CYBER DEFENSE