CVE-2026-91841

NameCVE-2026-91841
DescriptionA 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.
SourceCVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs1148113

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
network-manager-vpnc (PTS)bookworm1.2.8-4vulnerable
trixie1.4.0-2vulnerable
forky, sid1.4.0-4vulnerable

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
network-manager-vpncsource(unstable)(unfixed)1148113

Notes

https://gitlab.gnome.org/Archive/NetworkManager-vpnc/-/work_items/20
https://blogs.gnome.org/mcatanzaro/2026/09/15/privilege-escalation-vulnerabilities-in-networkmanager-plugins/

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