CVE-2026-91841: Improper Neutralization of CRLF Sequences ('CRLF Injection') in GNOME NetworkManager-vpnc
A flaw was found in NetworkManager-vpnc, a VPN plugin for NetworkManager. A local unprivileged user can exploit this vulnerability by injecting a newline character into the CA-File path. This manipulation allows the user to execute arbitrary commands as the root user, leading to local privilege escalation.
CVE-2026-91841: Improper Neutralization of CRLF Sequences ('CRLF Injection') in GNOME NetworkManager-vpnc
Description
A flaw was found in NetworkManager-vpnc, a VPN plugin for NetworkManager. A local unprivileged user can exploit this vulnerability by injecting a newline character into the CA-File path. This manipulation allows the user to execute arbitrary commands as the root user, leading to local privilege escalation.
CVSS v3.1
Score 7.8high
Affected software
GNOME
NetworkManager-vpnc
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- fedora
- Date Reserved
- 2026-09-15T08:28:01.333Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://access.redhat.com/security/cve/CVE-2026-91841","vendor":"Red Hat"}]
Threat ID: 6ab6b765f7a7c541061a1e6b
Added to database: 09/25/2026, 18:03:17 UTC
Last updated: 09/25/2026, 18:03:17 UTC
Views: 1
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