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CategoryAll Advisory 6 Malware 4 Industry 3 Phishing & fraud 3 AI industry 2 Research 2 Tools 2 Exploit / PoC 2 Data breach 1 AI safety & security 1 Model release 1 Vulnerability 1 Policy & legal 1

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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 disclosed CVE-2026-87886, a privilege escalation vulnerability caused by insecure file permissions in its backup plugins for cPanel, WHM, and Plesk, platforms popular among hosting providers and MSPs. Exploitation has been detected in the wild in limited, targeted attacks against cPanel & WHM deployments, with no exploitation observed on Plesk so far, and the low-complexity attack requires no user interaction. Fixes shipped last week: backup plugin version 1.9.3 HF3 for cPanel & WHM and extension version 1.8.11 for Plesk.

Help Net Securityupdated 11:08 UTC · 9h agofirst 09:33 UTC · 11h agoExploit / PoC in the wild 6 sources CVE-2026-87886

Critical ScreenConnect flaw now actively exploited in attacks

CISA confirms active exploitation of critical ConnectWise ScreenConnect flaw CVE-2026-84869, ordering federal agencies to mitigate within three days.

ConnectWise's ScreenConnect flaw CVE-2026-84869, an improper privilege management and missing authorization bug, lets attackers with basic privileges transfer or execute files through active remote sessions in low-complexity attacks without user interaction. It is patched in ScreenConnect 26.6.5; CISA added it to the KEV catalog and ordered US federal agencies to secure systems within three days. Shadowserver tracks over 1,000 unpatched exposed instances, mostly in North America (758) and Europe (180). This is the fourth actively exploited ScreenConnect flaw since 2024; earlier issues were abused by Kimsuky and ransomware gangs.

BleepingComputerupdated 15:31 UTC · 5h agofirst 11:14 UTC · 9h agoExploit / PoC in the wild 4 sources CVE-2026-84869 CVE-2024-1709 CVE-2025-3935+1 CVEs1