Logo
Retour à la veille

CVE-2026-91840

Publié : 25 septembre 2026
Modifié : 25 septembre 2026
Lien officiel NVD
Score CVSS
7.8
HIGH

Description détaillée

A flaw was found in NetworkManager-vpnc. This vulnerability allows a local unprivileged user to escalate privileges to root. By injecting a newline character into the VPN username field, an attacker can manipulate the vpnc configuration to execute an arbitrary program with root privileges when the malicious VPN connection is activated.

Vecteur d'attaque (CVSS)

Vecteur brut :CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Références et Patchs

https://access.redhat.com/security/cve/CVE-2026-91840https://bugzilla.redhat.com/show_bug.cgi?id=2533642https://gitlab.gnome.org/Archive/NetworkManager-vpnc/-/work_items/19https://gitlab.gnome.org/Archive/NetworkManager-vpnc/-/work_items/19

Dernières Vulnérabilités

CVE-2026-96878

Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Mediawiki - Cargo extension allows Reflected XSS. This issue affects Mediawiki - Cargo extension: through 3.9.4.

VOIR DÉTAILS

CVE-2026-96877

Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Mediawiki - Cargo extension allows Reflected XSS. This issue affects Mediawiki - Cargo extension: through 3.9.4.

VOIR DÉTAILS

CVE-2026-96876

Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Mediawiki - Cargo extension allows Reflected XSS. This issue affects Mediawiki - Cargo extension: through 3.9.4.

VOIR DÉTAILS