CVE-2026-27899
WireGuard Portal is Vulnerable to Privilege Escalation via User Self-Update to Admin Level in github.com/h44z/wg-portal
Description
WireGuard Portal is Vulnerable to Privilege Escalation via User Self-Update to Admin Level in github.com/h44z/wg-portal. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. (If this is causing false-positive reports from vulnerability scanners, please suggest an edit to the report.) The additional affected modules and versions are: github.com/h44z/wg-portal before v2.1.3.
How to fix CVE-2026-27899
To remediate CVE-2026-27899, upgrade the affected package to a fixed version below.
- —upgrade to 2.1.3 or later
- —no fix listed
Is CVE-2026-27899 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 2.1.3
- from 0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |