PaperCut vulnerabilities
We track 21 vulnerabilities in PaperCut products across 8 products. 21 are rated high or critical, and 5 have been exploited in real attacks. The most recent was published on September 24, 2026.
Latest PaperCut vulnerabilities
- 7.3 High severity
PaperCut NG/MF: Improper Limitation of a Pathname to a Restricted Directory
An improper limitation of a pathname to a restricted directory (path traversal) vulnerability in the Scan-to-Fax component of PaperCut NG and PaperCut MF allows an authenticated administrator to execute arbitrary commands on the underlying host via crafted fax
- 7.5 High severity
PaperCut NG/MF: Improper Control of Generation of Code
A vulnerability exists in the PaperCut NG/MF platform's device-scripting functionality due to insufficient sanitization and access restrictions within the embedded execution engine. An authenticated user with administrative access to the management interface c
- 9.1 Critical severity
PaperCut NG/MF Unsafe Reflection Exploited
An unsafe dynamic class loading vulnerability exists in the database connection utilities of PaperCut MF and PaperCut NG. The application instantiates database driver classes based on configurable driver names without validating against an allowlist of approve
- 9.8 Critical severity
PaperCut NG/MF Missing Authentication for Critical Function Exploited
An improper access control vulnerability exists in the web management interface of PaperCut MF and PaperCut NG. Under specific conditions, unauthenticated remote requests targeting administrative functions can trigger backend actions prior to the completion of
- 7.3 High severity
Print Deploy: Uncontrolled Search Path Element
An insecure process execution vulnerability exists in the pc-printer-updater.exe component of the PaperCut Print Deploy Client for Windows. The application, which typically operates with high-level system privileges, attempts to perform an internal validation
- 8.1 High severity
PaperCut NG/MF: Time-of-check Time-of-use (TOCTOU) Race Condition
A race condition exists in PaperCut MF when processing badge-swipe data from certain HP multifunction devices. Under specific network conditions involving dropped packets and out-of-order sequence counters, the server may incorrectly process fragmented data ch
- 7.5 High severity
Papercut NG/MF: Cleartext Transmission of Sensitive Information
The PaperCut NG/MF (specifically, the embedded application for Konica Minolta devices) is vulnerable to session hijacking. The PaperCut NG/MF Embedded application is a software interface that runs directly on the touch screen of a multi-function device. It was
- 7.7 High severity
Print Deploy: Improper Certificate Validation
PaperCut Print Deploy is an optional component that integrates with PaperCut NG/MF which simplifies printer deployment and management. When the component is deployed to an environment, the customer has an option to configure the system to use a self-signed cer
- 7.2 High severity
NG: Exposed Dangerous Method or Function
PaperCut NG print.script.sandboxed Exposed Dangerous Function Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of PaperCut NG. Authentication is required to exploit this vulnera
- 7.8 High severity
PaperCut NG, PaperCut MF: Improper Link Resolution Before File Access
An arbitrary file deletion vulnerability exists in PaperCut NG/MF, specifically affecting Windows servers with Web Print enabled. To exploit this vulnerability, an attacker must first obtain local login access to the Windows Server hosting PaperCut NG/MF and b
- 7.8 High severity
PaperCut NG, PaperCut MF: Improper Neutralization of Special Elements used in a Command
An arbitrary file creation vulnerability exists in PaperCut NG/MF that only affects Windows servers with Web Print enabled. This specific flaw exists within the image-handler process, which can incorrectly create files that don’t exist when a maliciously forme
- 7.8 High severity
PaperCut NG, PaperCut MF: Files or Directories Accessible to External Parties
An arbitrary file deletion vulnerability exists in PaperCut NG/MF, specifically affecting Windows servers with Web Print enabled. To exploit this vulnerability, an attacker must first obtain local login access to the Windows Server hosting PaperCut NG/MF and b
- 7.2 High severity
NG: Improper Control of Generation of Code
PaperCut NG External User Lookup Code Injection Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of PaperCut NG. Authentication is required to exploit this vulnerability. The sp
- 7.2 High severity
PaperCut NG, PaperCut MF: Improper Neutralization of Equivalent Special Elements
This vulnerability allows an already authenticated admin user to create a malicious payload that could be leveraged for remote code execution on the server hosting the PaperCut NG/MF application server.
- 7.2 High severity
PaperCut NG, PaperCut MF: Permissive List of Allowed Inputs
This vulnerability potentially allows unauthorized write operations which may lead to remote code execution. An attacker must already have authenticated admin access and knowledge of both an internal system identifier and details of another valid user to explo
- 9.8 Critical severity
PaperCut NG, PaperCut MF: Execution with Unnecessary Privileges
This allows attackers to use a maliciously formed API request to gain access to an API authorization level with elevated privileges. This applies to a small subset of PaperCut NG/MF API calls.
- 9.8 Critical severity
Papercut Mf: Improper Limitation of a Pathname to a Restricted Directory
PaperCut NG and PaperCut MF before 22.1.3 on Windows allow path traversal, enabling attackers to upload, read, or delete arbitrary files. This leads to remote code execution when external device integration is enabled (a very common configuration).
- 7.5 High severity
PaperCut NG: Unrestricted Upload of File with Dangerous Type
An authentication bypass exists in PaperCut NG versions 22.0.12 and prior that could allow a remote, unauthenticated attacker to upload arbitrary files to the PaperCut NG host’s file storage. This could exhaust system resources and prevent the service from ope
- 8.8 High severity
PaperCut NG/MF Cross-Site Request Forgery (CSRF) Exploited
A Cross-Site Request Forgery (CSRF) vulnerability has been identified in PaperCut NG/MF, which, under specific conditions, could potentially enable an attacker to alter security settings or execute arbitrary code. This could be exploited if the target is an ad
- 7.5 High severity
PaperCut NG/MF Improper Authentication Exploited
This vulnerability allows remote attackers to bypass authentication on affected installations of PaperCut NG 22.0.5 (Build 63914). Authentication is not required to exploit this vulnerability. The specific flaw exists within the SecurityRequestFilter class. Th
- 9.8 Critical severity
PaperCut MF/NG Improper Access Control Exploited
This vulnerability allows remote attackers to bypass authentication on affected installations of PaperCut NG 22.0.5 (Build 63914). Authentication is not required to exploit this vulnerability. The specific flaw exists within the SetupCompleted class. The issue