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Vulnerabilities & CVEs BleepingComputer 1 month ago

Recently patched PaperCut zero-days used in data theft attacks

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CyberNew Threat Research Desk
• Original Reporting: BleepingComputer
CyberNew Threat Intel Assessment
Assessed Severity: CRITICAL
Impacted Surface
Enterprise Perimeter & Network Defense
Intelligence Sector
Vulnerabilities & CVEs

Analyst Takeaway

"Two security vulnerabilities in the PaperCut NG and MF print management software, patched last week after being exploited as zero-days, are now being abused in data theft attacks. According to PaperCut Software, the software is used by 100 million users across more than 70,000 organizations, including large companies, state agencies, and educational institutions. Tracked as CVE-2026-81578 and..."

Recommended Defense & Mitigation

  • Emergency Patching: Prioritize vendor patches and CVE mitigation across internet-facing assets immediately.
  • Perimeter Audit: Inspect perimeter firewall logs and hunt for unauthorized RCE indicators.
Curated & Verified by CyberNew Threat Intelligence Desk Standard Defense Framework (NIST / MITRE ATT&CK)

PaperCit

Two security vulnerabilities in the PaperCut NG and MF print management software, patched last week after being exploited as zero-days, are now being abused in data theft attacks.

According to PaperCut Software, the software is used by 100 million users across more than 70,000 organizations, including large companies, state agencies, and educational institutions.

Tracked as CVE-2026-81578 and CVE-2026-82078, the two security flaws can be chained to bypass authentication and gain remote code execution on vulnerable PaperCut NG and MF print management servers.

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Source Verification & Original Intelligence

This threat report was reviewed by CyberNew analysts and cross-referenced with primary security disclosures from BleepingComputer.

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