Vulnerability details
CVE-2026-91841
GNOME NetworkManager-vpnc
Networkmanager-vpnc: networkmanager-vpnc: incomplete fix for cve-2018-10900 allows root privilege escalation via ca-file path newline injection
CVSS 3.1
7.8High
Official 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 scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 7.8High | 3.1 | CVEProject cvelistV5 (CNA) (fedora) | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| GNOME | NetworkManager-vpnc | All | CVEProject cvelistV5 (CNA) |
References and advisories
3- https://access.redhat.com/security/cve/CVE-2026-91841 vdb-entryx_refsource_REDHAT
- https://bugzilla.redhat.com/show_bug.cgi?id=2533651 issue-trackingx_refsource_REDHAT
- https://gitlab.gnome.org/Archive/NetworkManager-vpnc/-/work_items/20
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Details
- Published
- 2026-09-25
- Last updated
- 2026-09-28
- State
- Published
- Assigner (CNA)
- fedora
Exploit prediction (EPSS)
0.19%
Probability of exploitation in 30 days
9.1%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- None
- Technical impact
- Total
Weaknesses (CWE)
- CWE-93Improper Neutralization of CRLF Sequences ('CRLF Injection')