CVE-2026-4638 Plaintext Password Disclosure via VBScript Sensor Error Message in Paessler PRTG Network Monitor

PRTG Network Monitor before version 26.2.120.1449 ships a demo EXE/Script sensor that multiplies two integer parameters using cscript.exe. If a non-numeric value is passed instead, cscript.exe raises a 'Type mismatch' runtime error that includes the offending parameter value in plaintext. PRTG...

CVE-2026-4638

PRTG Network Monitor versions before 26.2.120.1449 are vulnerable to plaintext password disclosure. The issue exists in a demo EXE/Script sensor that utilizes cscript.exe to multiply two integer parameters. If a non-numeric value is provided, cscript.exe generates a 'Type mismatch' runtime error ...

CVE-2026-4638 Plaintext Password Disclosure via VBScript Sensor Error Message in Paessler PRTG Network Monitor

PRTG Network Monitor before version 26.2.120.1449 ships a demo EXE/Script sensor that multiplies two integer parameters using cscript.exe. If a non-numeric value is passed instead, cscript.exe raises a 'Type mismatch' runtime error that includes the offending parameter value in plaintext. PRTG...

CVE-2026-4637

Paessler PRTG Network Monitor before version 26.2.120.1449 is affected by a reflected Cross-Site Scripting XSS vulnerability. When a request is made for a non-existent resource ending in ".htm", the web interface returns an HTTP 403 "Forbidden Path" error page that echoes the requested URL path...

CVE-2026-4637 Reflected Cross-Site Scripting via URL Path in Paessler PRTG Network Monitor

Paessler PRTG Network Monitor before version 26.2.120.1449 is affected by a reflected Cross-Site Scripting XSS vulnerability. When a request is made for a non-existent resource ending in ".htm", the web interface returns an HTTP 403 "Forbidden Path" error page that echoes the requested URL path...

CVE-2026-4637

Paessler PRTG Network Monitor (versions before 26.2.120.1449 ) is vulnerable to a reflected Cross-Site Scripting (XSS) flaw. The issue occurs because the web interface returns an HTTP 403 "Forbidden Path" error page for non-existent resources ending in ".htm" and echoes the requested URL path int...

EUVD-2026-85840

Paessler PRTG Network Monitor before version 26.2.120.1449 is affected by a reflected Cross-Site Scripting XSS vulnerability. When a request is made for a non-existent resource ending in ".htm", the web interface returns an HTTP 403 "Forbidden Path" error page that echoes the requested URL path...

CVE-2026-4637 Reflected Cross-Site Scripting via URL Path in Paessler PRTG Network Monitor

Paessler PRTG Network Monitor before version 26.2.120.1449 is affected by a reflected Cross-Site Scripting XSS vulnerability. When a request is made for a non-existent resource ending in ".htm", the web interface returns an HTTP 403 "Forbidden Path" error page that echoes the requested URL path...

CVE-2026-4637: Improper Neutralization of Input During Web Page Generation

Paessler PRTG Network Monitor before version 26.2.120.1449 is affected by a reflected Cross-Site Scripting XSS vulnerability. When a request is made for a non-existent resource ending in ".htm", the web interface returns an HTTP 403 "Forbidden Path" error page that echoes the requested URL path...

PT-2026-97779

Name of the Vulnerable Software and Affected Versions Paessler PRTG Network Monitor versions prior to 26.2.120.1449 Description A reflected Cross-Site Scripting XSS issue exists where the web interface returns an HTTP 403 Forbidden Path error page when a request is made for a non-existent resourc...

CVE-2025-67835: Uncontrolled Resource Consumption

Paessler PRTG Network Monitor before 25.4.114 allows Denial-of-Service DoS by an authenticated attacker via the Notification Contacts functionality...

CVE-2025-67834: Improper Neutralization of Input During Web Page Generation

Paessler PRTG Network Monitor before 25.4.114 allows XSS by an unauthenticated attacker via the filter parameter...

CVE-2025-67833: Improper Neutralization of Input During Web Page Generation

Paessler PRTG Network Monitor before 25.4.114 allows XSS by an unauthenticated attacker via the tag parameter...

CVE-2020-10374

A webserver component in Paessler PRTG Network Monitor 19.2.50 to PRTG 20.1.56 allows unauthenticated remote command execution via a crafted POST request or the what parameter of the screenshot function in the Contact Support form...

EUVD-2017-7334

Malware in sbrugna...

EUVD-2017-4403

Malware in sbrugna...

EUVD-2024-51135

Malicious code in bioql PyPI...

CVE-2017-15917

In Paessler PRTG Network Monitor 17.3.33.2830, it's possible to create a Map as a read-only user, by forging a request and sending it to the server...

CVE-2024-12833: Improper Neutralization of Input During Web Page Generation

Paessler PRTG Network Monitor SNMP Cross-Site Scripting Authentication Bypass Vulnerability. This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of Paessler PRTG Network Monitor. Some user interaction on the part of an administrator is required ...

CVE-2023-51630

Paessler PRTG Network Monitor Cross-Site Scripting Authentication Bypass Vulnerability. This vulnerability allows remote attackers to bypass authentication on affected installations of Paessler PRTG Network Monitor. User interaction is required to exploit this vulnerability in that the target mus...