importantSYS.SOURCE: The Hacker News• 2026-09-16T16:38:54+05:30

Acronis cPanel Backup Plugin Privilege Escalation Vulnerability Exploited in Targeted Attacks

#vulnerability #privilege escalation #linux #security

A high-severity privilege escalation vulnerability (CVE-2026-87886) in Acronis cPanel Backup Plugin was exploited in targeted attacks, allowing unauthorized access through insecure file permissions. Users are urged to apply urgent updates to mitigate risks.

Acronis has warned that a high-severity security flaw in its Backup plugin for cPanel and Web Host Manager (WHM) deployments has been exploited in the wild.

The vulnerability, tracked as CVE-2026-87886 (CVSS score: 7.8), is described as a case of local privilege escalation due to insecure file permissions. It affects the following versions -

Acronis Backup plugin for cPanel & WHM (Linux

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> CURATED VIDEO PLATFORM LEVERAGING HACKER NEWS RECOMMENDATIONS > NES CONTRA (1987) NATIVE PORT VIA WEBASSEMBLY > CRITICAL LINUX IPV4 TCP USE-AFTER-FREE VULNERABILITY CVE-2026-98432 WITH CVSS 9.8 SEVERITY > RESPONSIBLE DISCLOSURE OF CPU SIDE-CHANNEL VULNERABILITIES AND ETHICAL RESPONSIBILITIES IN COMPUTER SECURITY > GPT-5.6 SOL COMPLETES PEACEFUL FACTORIO RUN IN 13.5 HOURS > MEMORY LATENCY'S IMPACT ON CPU UTILIZATION IN DATABASE GROUP BY OPERATIONS > THE IMPACT OF GENERATIVE AI ON CRITICAL THINKING: A SELF-REPORTED STUDY (2025)> WILLIAM NORDHAUS, NOBEL LAUREATE IN ECONOMICS, DIES AT 85 AFTER PIONEERING CLIMATE-ECONOMY RESEARCH > CYBERSECURITY BREACH EXPLOITS LED DISPLAY SOFTWARE VULNERABILITY ACROSS MULTIPLE COUNTRIES > US COPYRIGHT OFFICE CLARIFIES AI-GENERATED CONTENT COPYRIGHT ELIGIBILITY> CURATED VIDEO PLATFORM LEVERAGING HACKER NEWS RECOMMENDATIONS > NES CONTRA (1987) NATIVE PORT VIA WEBASSEMBLY > CRITICAL LINUX IPV4 TCP USE-AFTER-FREE VULNERABILITY CVE-2026-98432 WITH CVSS 9.8 SEVERITY > RESPONSIBLE DISCLOSURE OF CPU SIDE-CHANNEL VULNERABILITIES AND ETHICAL RESPONSIBILITIES IN COMPUTER SECURITY > GPT-5.6 SOL COMPLETES PEACEFUL FACTORIO RUN IN 13.5 HOURS > MEMORY LATENCY'S IMPACT ON CPU UTILIZATION IN DATABASE GROUP BY OPERATIONS > THE IMPACT OF GENERATIVE AI ON CRITICAL THINKING: A SELF-REPORTED STUDY (2025)> WILLIAM NORDHAUS, NOBEL LAUREATE IN ECONOMICS, DIES AT 85 AFTER PIONEERING CLIMATE-ECONOMY RESEARCH > CYBERSECURITY BREACH EXPLOITS LED DISPLAY SOFTWARE VULNERABILITY ACROSS MULTIPLE COUNTRIES > US COPYRIGHT OFFICE CLARIFIES AI-GENERATED CONTENT COPYRIGHT ELIGIBILITY