PaperCut NG/MF Critical Zero-Day Exploited in the Wild


On August 27, 2026, PaperCut Software published an urgent security advisory stating that it is investigating active exploitation of a vulnerability affecting PaperCut NG and PaperCut MF. PaperCut has confirmed customer incidents and is treating the issue as a security emergency. At the initial time of disclosure, the vulnerability had not been assigned a CVE identifier, and PaperCut had not publicly disclosed a CVSS score, vulnerability class, authentication requirements, or the technical details of the exploit path. However on August 28, the vendor assigned CVE-2026-81578 and CVE-2026-82078 for the two vulnerabilities that make up the exploit chain.

Read more…
Source:  Rapid7 News


Sign up for the Cyber Security Review Newsletter
The latest cyber security news and insights delivered right to your inbox


Related:

  • Broadcom Releases Security Advisory for VMware Tools for Windows

    March 25, 2025

    Broadcom has released a security advisory addressing a high severity vulnerability in VMware Tools for Windows. VMware Tools is a suite of utilities that enhances the performance of VMware virtual machines and provides extra functionality. CVE-2025-22230 is an authentication bypass due to improper access control vulnerability with a CVSSv3 score of 7.8. If exploited, an attacker ...

  • Notable vulnerabilities in Next.js (CVE-2025-29927) and CrushFTP

    March 25, 2025

    Rapid7 is warning customers of notable vulnerabilities in Next.js, a React framework for building web applications, and CrushFTP, a file transfer technology that has previously been targeted by adversaries. CVE-2025-29927 is a critical improper authorization vulnerability in Next.js middleware that could (theoretically) allow an attacker to bypass authorization checks in a Next.js application, if the authorization ...

  • Oracle Cloud says it’s not true someone broke into its login servers and stole data

    March 23, 2025

    Oracle has straight up denied claims by a miscreant that its public cloud offering has been compromised and information stolen. A crook late last week advertised on an online cyber-crime forum what was alleged to be Oracle Cloud customer security keys and other sensitive data swiped from the IT giant. This material was said to have ...

  • Russian zero-day seller is offering up to $4 million for Telegram exploits

    March 21, 2025

    Operation Zero, a company that acquires and sells zero-days exclusively to the Russian government and local Russian companies, announced on Thursday that it’s looking for exploits for the popular messaging app Telegram, and is willing to offer up to $4 million for them. The exploit broker is offering up to $500,000 for a “one-click” remote code ...

  • Critical Veeam Backup & Replication CVE-2025-23120

    March 19, 2025

    On Wednesday, March 19, 2025, backup and recovery software provider Veeam published a security advisory for a critical remote code execution vulnerability tracked as CVE-2025-23120. The vulnerability affects Backup & Replication systems that are domain joined. Veeam explicitly mentions that domain-joined backup servers are against security and compliance best practices, but in reality, we believe this ...

  • ZDI-CAN-25373: Windows shortcut exploit abused as Zero-Day in widespread APT campaigns

    March 18, 2025

    The Trend Zero Day Initiative threat hunting team identified significant instances of the exploitation of ZDI-CAN-25373 across a variety of campaigns dating back to 2017. The researchers analysis revealed that 11 state-sponsored groups from North Korea, Iran, Russia, and China have employed ZDI-CAN-25373 in operations primarily motivated by cyber espionage and data theft. Trend Micro discovered ...