CVE-2026-91837Networkmanager-iodine: networkmanager-iodine: local privilege escalation to root via nameserver option injection
Updated under an hour ago ()
Does this affect you?
It affects GNOME NetworkManager-iodine. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
Do this next
Free account, 1 product
A flaw was found in NetworkManager-iodine, the iodine VPN plugin for NetworkManager. A local unprivileged user can exploit a vulnerability in how the 'nameserver' setting is processed when establishing an iodine VPN connection. By embedding shell metacharacters (special characters that can execute commands) in the 'nameserver' value, an attacker can inject and execute arbitrary commands. These commands run with root privileges before the application drops its elevated permissions, leading to local privilege escalation.
- CVSS
- 7.8 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-78
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- fedora
- NVD analysis
- Deferred
- Record last updated
- Sep 25, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
GNOME NetworkManager-iodine gnome:networkmanager_iodine (from the name) | all versions | CNA record |
References
- https://access.redhat.com/security/cve/CVE-2026-91837vdb-entry, x-refsource-redhat
- https://bugzilla.redhat.com/show_bug.cgi?id=2533634issue-tracking, x-refsource-redhat
- https://gitlab.gnome.org/GNOME/network-manager-iodine/-/work_items/4
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.