CVE-2026-91839: Networkmanager-fortisslvpn: local privilege escalation to root via crlf injection in vpn profile credentials
GNOME · NetworkManager-fortisslvpn
Affected: GNOME NetworkManager-fortisslvpn · Exploitation: unlikely (under 1%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 10% of scored CVEs
DescriptionCVE.org
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.
Affected products1
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- GNOME · NetworkManager-fortisslvpn0
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Unlikely (under 1%). EPSS under 1%, or no score yet.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Vendor
- GNOME
- Published
- September 2026
CoverageNo articles yet
No CyberSIXT article names CVE-2026-91839 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.