---
title: "CVE-2026-93337: NetworkManager-l2tp - Command Injection"
description: "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."
url: https://panop.io/threat-heartbeat/CVE-2026-93337/
---

# 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 ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-93337)

## 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](https://cwe.mitre.org/data/definitions/88.html)

## 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

- [https://nvd.nist.gov/vuln/detail/CVE-2026-93337](https://nvd.nist.gov/vuln/detail/CVE-2026-93337)
- [https://github.com/nm-l2tp/NetworkManager-l2tp/commit/64879ce0ad866f7c9a45babe4d95731a916ea00f](https://github.com/nm-l2tp/NetworkManager-l2tp/commit/64879ce0ad866f7c9a45babe4d95731a916ea00f)
- [https://github.com/nm-l2tp/NetworkManager-l2tp/security/advisories/GHSA-rp84-8h2r-5xc3](https://github.com/nm-l2tp/NetworkManager-l2tp/security/advisories/GHSA-rp84-8h2r-5xc3)
- [https://www.vulncheck.com/advisories/networkmanager-l2tp-privilege-escalation-via-pppd-plugin-injection](https://www.vulncheck.com/advisories/networkmanager-l2tp-privilege-escalation-via-pppd-plugin-injection)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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