https://reddit.com/r/netsec/comments/1l858l1/code_execution_from_web_browser_using_url_schemes/: Code execution from web browser using URL schemes handled by KDE's KTelnetService and Konsole (CVE-2025-49091)
Published Jun 10, 2025
·Updated
Affected Software
1 affected component
KDE Konsole<25.04.2
Frequently Asked Questions
1
What is the severity of CVE-2025-49091?
CVE-2025-49091 is rated as a high-severity vulnerability due to its potential for arbitrary code execution.
2
How do I fix CVE-2025-49091?
To fix CVE-2025-49091, update to the latest version of KDE Konsole that addresses this vulnerability.
3
What impact does CVE-2025-49091 have on my system?
CVE-2025-49091 allows an attacker to execute arbitrary code through specially crafted URL schemes, which may compromise the system.
4
Which systems are affected by CVE-2025-49091?
CVE-2025-49091 affects systems running KTelnetService and a vulnerable version of Konsole without telnet, rlogin, or ssh installed.
5
Is there a workaround for CVE-2025-49091?
A temporary workaround for CVE-2025-49091 is to uninstall KTelnetService or to ensure that telnet, rlogin, or ssh is installed on the system.