Critical Vulnerability in Network Manager: CVE-2026-19685

network-manager Updated 22 Oct 2026

Summary

21/08/2026
N/A
No i
Unrated
Not published

DEBIAN-CVE-2026-19685: ... Affects network-manager versions 1.30.0-2 – 1.58~rc1-1. No fix is published. How to fix ↓

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Background

Network Manager is a crucial package in Debian-based systems that facilitates network configuration and management. It provides a user-friendly interface for managing network connections, including wired, wireless, and mobile broadband. The package is widely used in various environments, making its security paramount. The vulnerability identified as CVE-2026-19685 affects multiple versions of Network Manager across different Debian distributions, potentially compromising network security.

Vulnerability Detail

CVE-2026-19685 is a security vulnerability that arises from improper handling of network configurations within the Network Manager package. This flaw could allow an attacker to exploit the system by manipulating network settings, leading to unauthorized access or data interception. The vulnerability is present in all versions of the package, making it critical for users to address it promptly to prevent potential security breaches.

How To Fix

No fixed version is published for this vulnerability.

Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →

Workaround

As a temporary workaround, users can disable the Network Manager service until a patch is applied. This can be done by running the command:

sudo systemctl stop NetworkManager

However, this may disrupt network connectivity, so it should be used with caution.

Conclusion

CVE-2026-19685 represents a significant security risk for users of the Network Manager package across various Debian distributions. It is essential to update the package to the latest version to mitigate this vulnerability. Users should remain vigilant and consider using tools like Vulert to monitor for potential vulnerabilities in their software.

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FAQ

CVE-2026-19685 is a critical vulnerability in the Network Manager package that could allow unauthorized access to network configurations.

You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.

The risks include potential unauthorized access to network settings, data interception, and overall compromise of system security.

Yes, users are advised to update their Network Manager package to the latest version to mitigate the vulnerability.

If you cannot apply the patch immediately, consider disabling the Network Manager service as a temporary workaround.

Related vulnerabilities

Recent vulnerabilities recorded for network-manager.

How To Fix

No fixed version is published for this vulnerability.

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