CVE-2026-93337 NetworkManager-l2tp - Command Injection

NetworkManager-l2tp contains an improper input validation vulnerability caused by unvalidated mru or mtu property values in pppd options, letting local users with VPN creation permissions execute arbitrary code as root, exploit requires VPN connection creation permissions.

CVSS base score 7.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.15% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Command Injection
Impact
Remote Code Execution
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
17 September 2026
Updated
15 October 2026
Weakness
CWE-88

Vendor fix

Update to the latest version of NetworkManager-l2tp.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

← All CVEs