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cPanel's Black Week: Three New Vulnerabilities Patched After Ransomware Attack on 44,000 Servers - Copahost
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cPanel's Black Week: Three New Vulnerabilities Patched After Ransomware Attack on 44,000 Servers - Copahost

Copahost·Gustavo Gallas·23 days ago
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If you run a server with cPanel or WHM, you need to read this carefully. On May 8, 2026 — just ten days after the cPanel CVE-2026-41940 authentication bypass was used to compromise 44,000 web hosting servers and deploy ransomware — cPanel quietly released a second emergency security patch. This one covers three new vulnerabilities: CVE-2026-29201, CVE-2026-29202, and CVE-2026-29203. Two of the three carry a CVSS score of 8.8. That puts them firmly in the High severity tier, one step below Critical. This is the second Technical Security Release (TSR) in 10 days from cPanel . Two emergency patches in less than two weeks is not normal, and the timing — immediately following the worst cPanel attack in years — tells a clear story: the ransomware incident triggered a deeper code audit, and that audit found more problems. What Is a cPanel TSR?…

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