CVE-2026-91841

Networkmanager-vpnc: networkmanager-vpnc: incomplete fix for cve-2018-10900 allows root privilege escalation via ca-file path newline injection

Published: Sep 25, 2026Updated: Sep 26, 2026 Sources: CVE List NVDCWE-93

7.8HIGH

Description

A flaw was found in NetworkManager-vpnc, a VPN plugin for NetworkManager. A local unprivileged user can exploit this vulnerability by injecting a newline character into the CA-File path. This manipulation allows the user to execute arbitrary commands as the root user, leading to local privilege escalation.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:LAttack Vector

Local

AC:LAttack Complexity

Low

PR:LPrivileges Required

Low

UI:NUser Interaction

None

Scope

S:UScope

Unchanged

Impact

C:HConfidentiality

High

I:HIntegrity

High

A:HAvailability

High

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Weaknesses

CWE-93

Affected Products

GNOME

oss-project·USaka gnome project, glib

NetworkManager-vpncOn-prem

Consumer Software / productivity

Exploitability

Workaround Available

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References

https://access.redhat.com/security/cve/CVE-2026-91841

access.redhat.com

https://bugzilla.redhat.com/show_bug.cgi?id=2533651

bugzilla.redhat.com

https://gitlab.gnome.org/Archive/NetworkManager-vpnc/-/work_items/20

gitlab.gnome.org

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