{"id":"CVE-2026-4638","published":"2026-09-24T11:16:45.953","lastModified":"2026-09-24T20:43:32.537","description":"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 provides a documented placeholder variable, %windowspassword, which resolves to the configured Windows/domain password used by PRTG and can be passed as a sensor parameter. \n\n\n\n\nAny PRTG user who is not restricted to read-only access and is permitted to create sensors (the default for non-read-only users) can pass %windowspassword as an argument to the demo VBScript sensor, triggering the type-mismatch error and causing PRTG to display the plaintext password in the sensor's error output.","cvssScore":null,"cvssSeverity":null,"cvssVector":null,"cwes":["CWE-209"],"vendors":[],"products":[],"references":[{"url":"https://paessler.freshdesk.com/en/support/solutions/articles/76000088640","tags":[]},{"url":"https://r.sec-consult.com/paessler","tags":[]},{"url":"https://www.paessler.com/de/download/","tags":[]},{"url":"https://www.paessler.com/prtg/prtg-network-monitor","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":null}