What is the CVSS score of CVE-2026-19624?

CVE-2026-19624 has a CVSS 3.1 base score of 7.8 (High). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.1%.

Is there a patch available for CVE-2026-19624?

Yes, a patch is available for CVE-2026-19624. Update the affected software to the latest version immediately.

Fedora CVE-2026-19624

EUVD-2026-77774 HIGH

Improper Neutralization of Argument Delimiters in a Command ('Argument Injection') (CWE-88)

2026-09-14 fedora

GHSA-4533-c5f5-j3h9

Privilege Escalation Fedora Extra Packages For Enterprise Linux Epel

7.8

CVSS 3.1 · Vendor: fedora

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Vulnerability Assessment

Weakness

CWE

CWE-88

OWASP Top 10:2025

A05:2025 - Injection

ASVS 5.0

V1 - Encoding and Sanitization Argument sanitization

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).

Patch available 0.1% exploitation probability (EPSS)

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AnalysisAIv1 – Sep 15, 2026

Local privilege escalation in the NetworkManager-l2tp VPN plugin allows any local user who can create and activate their own L2TP profile to inject a newline into connection properties (vpn.data / vpn.secrets), so the root-running pluto daemon executes an attacker-supplied leftupdown command and yields root on the host. Fedora builds 1.52.0 through 1.52.3 and EPEL builds 1.20.0 through 1.20.23 are affected; fixed versions 1.52.4 and 1.20.24 are published upstream. There is no CISA KEV listing and no public exploit identified at time of analysis, although a public technical writeup of the 'newline to root' technique is referenced and the identical bug class was previously exploited in CVE-2018-10900 (NetworkManager-vpnc).

Affected VersionsENISA

Fedora 1.52.0 <1.52.4

Extra Packages for Enterprise Linux (EPEL) 1.20.0 <1.20.24

Affected Packages

euvd extra_packages_for_enterprise_linux_epel fix: 1.20.24

euvd fedora fix: 1.52.4

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 2 packages in euvd

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (fedora) PRIMARY 7.8 HIGH

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

SUSE HIGH

Red Hat 7.8 HIGH

Primary rating from Vendor (fedora).

CVSS VectorVendor: fedora

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

DescriptionCVE.org

A flaw was found in NetworkManager-l2tp. The plugin writes attacker-controlled VPN connection properties (vpn.data and vpn.secrets values) unescaped into a generated ipsec.conf file that pluto loads as root. A local unprivileged user can create and activate their own L2TP VPN profile containing a newline-injected leftupdown directive; pluto executes that command as root when the IKE security association is established, resulting in local privilege escalation. This is the same bug class as CVE-2018-10900 (NetworkManager-vpnc).

Threat Intelligence Overview

EPSS Score

0.1%

Top 97% exploitable

Data Quality

7 sources

Confidence: High

EUVD

NVD

CVE.org

EPSS

Vulnrichment Vendor

GitHub

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity HIGH

CISA KEV No

Public POC No

EPSS 0.1%

Patch available Yes

Active threat No

Deciding rule

HIGH severity (CVSS 7.0-8.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived

Defer

Exploitation

None

System Exposure· derived

Small

Automatable

Human Impact· derived

Medium

Technical Impact

Total

Priority Score

Low Medium High Critical

KEV: 0

EPSS: 0

CVSS: +39

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Privilege Escalation HIGH

Privilege escalation occurs when an attacker leverages flaws in access control mechanisms to gain permissions beyond what they were originally granted.