{"id":"CVE-2026-91839","aliases":["DEBIAN-CVE-2026-91839","EUVD-2026-87249","GHSA-vr82-qjvf-9rrq","UBUNTU-CVE-2026-91839"],"status":"published","title":"Networkmanager-fortisslvpn: networkmanager-fortisslvpn: local privilege escalation to root via crlf injection in vpn profile credentials","description":"A flaw was found in NetworkManager-fortisslvpn, the FortiSSLVPN plugin for NetworkManager. The nm-fortisslvpn-service improperly handles carriage-return/line-feed (CR/LF) characters in VPN connection profile credentials. A local unprivileged user can exploit this by crafting a malicious VPN profile to inject additional configuration directives. This can lead to arbitrary code execution with root privileges when the crafted VPN connection is activated.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00204,"percentile":0.1053,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-93"],"published":"2026-09-25T17:56:31Z","modified":"2026-10-01T08:47:26Z","affected":[{"source":"osv","ecosystem":"Debian:12","package":"network-manager-fortisslvpn","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.4.0-0.1","1.4.0-1","1.4.0-1.1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"network-manager-fortisslvpn","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2.8-1","1.2.8-1build1","1.2.8-1ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"network-manager-fortisslvpn","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2.8-2","1.2.10-0ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"network-manager-fortisslvpn","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2.10-0ubuntu2","1.2.10-0ubuntu3"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"network-manager-fortisslvpn","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.4.0-0.1","1.4.0-1","1.4.0-1build1","1.4.0-1build2"]}],"products":[{"vendor":"gnome","product":"networkmanager-fortisslvpn"}],"references":[{"url":"https://access.redhat.com/security/cve/CVE-2026-91839","tags":["vdb-entry","x_refsource_REDHAT"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2533640","tags":["issue-tracking","x_refsource_REDHAT"]},{"url":"https://gitlab.gnome.org/Archive/NetworkManager-fortisslvpn/-/work_items/80","tags":["report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-91839"},{"url":"https://github.com/advisories/GHSA-vr82-qjvf-9rrq"},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-91839","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-91839","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-91839","tags":["report"]},{"url":"https://blogs.gnome.org/mcatanzaro/2026/09/15/privilege-escalation-vulnerabilities-in-networkmanager-plugins/","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-91839","title":"Networkmanager-fortisslvpn: networkmanager-fortisslvpn: local privilege escalation to root via crlf injection in vpn profile credentials","description":"A flaw was found in NetworkManager-fortisslvpn, the FortiSSLVPN plugin for NetworkManager. The nm-fortisslvpn-service improperly handles carriage-return/line-feed (CR/LF) characters in VPN connection profile credentials. A local unprivileged user can exploit this by crafting a malicious VPN profile to inject additional configuration directives. This can lead to arbitrary code execution with root privileges when the crafted VPN connection is activated.","status":"published","published":"2026-09-25T17:56:31.225Z","modified":"2026-09-28T12:44:46.096Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-93"],"updated_at":"2026-11-02T14:19:53.115938Z"}],"euvd":[{"id":"EUVD-2026-87249","description":"A flaw was found in NetworkManager-fortisslvpn, the FortiSSLVPN plugin for NetworkManager. The nm-fortisslvpn-service improperly handles carriage-return/line-feed (CR/LF) characters in VPN connection profile credentials. A local unprivileged user can exploit this by crafting a malicious VPN profile to inject additional configuration directives. This can lead to arbitrary code execution with root privileges when the crafted VPN connection is activated.","status":"published","published":"2026-09-25T17:56:31Z","modified":"2026-09-28T12:44:46Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T17:27:53.908541Z"}],"ghsa":[{"id":"GHSA-vr82-qjvf-9rrq","title":"A flaw was found in NetworkManager-fortisslvpn, the FortiSSLVPN plugin for NetworkManager. The nm...","description":"A flaw was found in NetworkManager-fortisslvpn, the FortiSSLVPN plugin for NetworkManager. The nm-fortisslvpn-service improperly handles carriage-return/line-feed (CR/LF) characters in VPN connection profile credentials. A local unprivileged user can exploit this by crafting a malicious VPN profile to inject additional configuration directives. This can lead to arbitrary code execution with root privileges when the crafted VPN connection is activated.","status":"published","published":"2026-09-25T18:31:29Z","modified":"2026-09-25T18:31:36Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-93"],"updated_at":"2026-11-02T15:12:27.190195Z"}],"nvd":[{"id":"CVE-2026-91839","description":"A flaw was found in NetworkManager-fortisslvpn, the FortiSSLVPN plugin for NetworkManager. The nm-fortisslvpn-service improperly handles carriage-return/line-feed (CR/LF) characters in VPN connection profile credentials. A local unprivileged user can exploit this by crafting a malicious VPN profile to inject additional configuration directives. This can lead to arbitrary code execution with root privileges when the crafted VPN connection is activated.","status":"published","published":"2026-09-25T18:17:32.66Z","modified":"2026-09-30T19:57:08.043Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-93"],"updated_at":"2026-11-02T14:12:51.721923Z"}],"osv":[{"id":"DEBIAN-CVE-2026-91839","description":"A flaw was found in NetworkManager-fortisslvpn, the FortiSSLVPN plugin for NetworkManager. The nm-fortisslvpn-service improperly handles carriage-return/line-feed (CR/LF) characters in VPN connection profile credentials. A local unprivileged user can exploit this by crafting a malicious VPN profile to inject additional configuration directives. This can lead to arbitrary code execution with root privileges when the crafted VPN connection is activated.","status":"published","published":"2026-09-25T18:17:32.66Z","modified":"2026-10-01T08:47:26.929743683Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:46:06.410207Z"},{"id":"UBUNTU-CVE-2026-91839","description":"A flaw was found in NetworkManager-fortisslvpn, the FortiSSLVPN plugin for NetworkManager. The nm-fortisslvpn-service improperly handles carriage-return/line-feed (CR/LF) characters in VPN connection profile credentials. A local unprivileged user can exploit this by crafting a malicious VPN profile to inject additional configuration directives. This can lead to arbitrary code execution with root privileges when the crafted VPN connection is activated.","status":"published","published":"2026-09-25T18:17:00Z","modified":"2026-10-01T00:22:36.190282075Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T16:57:40.980117Z"}]}}