CVE-2026-19624 NetworkManager-l2tp: local privilege escalation via ipsec.conf injection

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...

CVE-2026-19624 NetworkManager-l2tp: local privilege escalation via ipsec.conf injection

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...

CVE-2026-19624

NetworkManager-l2tp suffers from a local privilege escalation (CVSS 3.1: 7.8 HIGH ) caused by attacker-controlled VPN connection properties (vpn.data and vpn.secrets) being written unescaped into a generated ipsec.conf file. When a local unprivileged user activates a crafted L2TP profile containi...

CVE-2026-19624 NetworkManager-l2tp: local privilege escalation via ipsec.conf injection

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...

CVE-2026-66786 Submariner: submariner: ipsec.conf stanza injection via remote-supplied cablename and subnets

A flaw was found in submariner. In cert-auth mode, the connection configuration is built using free-form strings from the Custom Resource Definition CRD without proper validation. A malicious cluster can exploit this by publishing a CableName that includes newlines and ipsec.conf directives. This...

CVE-2026-66786 Submariner: submariner: ipsec.conf stanza injection via remote-supplied cablename and subnets

A flaw was found in submariner. In cert-auth mode, the connection configuration is built using free-form strings from the Custom Resource Definition CRD without proper validation. A malicious cluster can exploit this by publishing a CableName that includes newlines and ipsec.conf directives. This...

CVE-2026-66786

Submariner 's certificate-based IPsec authentication mode (IPSecCertAuthMode: true) is vulnerable to ipsec.conf stanza injection via remote-supplied CableName and subnets fields in the Custom Resource Definition. Because these free-form strings are incorporated into the connection configuration w...