CVE-2026-91839 NetworkManager-fortisslvpn - Command Injection

NetworkManager-fortisslvpn contains a command injection caused by improper handling of CR/LF characters in VPN connection profile credentials, letting local unprivileged users execute arbitrary code with root privileges, exploit requires crafted VPN profile.

CVSS base score 7.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.20% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Command Injection
Impact
Remote Code Execution, Privilege Escalation
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
25 September 2026
Updated
15 October 2026
Weakness
CWE-93

Vendor fix

Update to the latest version of NetworkManager-fortisslvpn.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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