CVE-2021-42287

CVE

Threat entity extracted from intelligence sources

Frequency

occurrences

First Seen

September 9, 2026

Last Seen

September 10, 2026

API

Exploited in Wild

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Ransomware Use

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Public Exploits

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Attack Vector

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Vulnerability Overview

Exploitation Activity

Exploitation Intelligence

AI-Driven Exploitation of PaperCut Vulnerabilities Compromises 440 Servers Globally79.0

A Russian-speaking threat actor has exploited vulnerabilities CVE-2026-81578 and CVE-2026-82078 in PaperCut NG/MF software, compromising at least 440 instances across 395 organizations in 48 countries. The campaign began on August 31, 2026, utilizing hundreds of AI agents powered by OpenAI's Codex a...