CVE-2026-27899: WireGuard Portal is Vulnerable to Privilege Escalation via User Self-Update to Admin Level

CVE-2026-27899 · Severity: low · CVSS 3.1 · Published 2026-03-10

WireGuard Portal is Vulnerable to Privilege Escalation via User Self-Update to Admin Level in github.com/h44z/wg-portal

Technologies: github.com/h44z/wg-portal (Go). Vendors: Go.

Quick answers

Is CVE-2026-27899 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-27899 being exploited in the wild.
How severe is CVE-2026-27899?
Low severity, with a CVSS score of 3.1, published 10 March 2026.
Which products and versions are affected?
github.com/h44z/wg-portal (Go) SEMVER:introduced=0, SEMVER:introduced=0,fixed=2.1.3.
Is there a fix for CVE-2026-27899?
Yes. github.com/h44z/wg-portal (Go): upgrade to 2.1.3 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2026-27899?
Check whether you run github.com/h44z/wg-portal (Go) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • github.com/h44z/wg-portal (Go): upgrade to 2.1.3 or later
    go get github.com/h44z/wg-portal@v2.1.3

Affected products

  • github.com/h44z/wg-portal (Go) SEMVER:introduced=0, SEMVER:introduced=0,fixed=2.1.3

Identifiers

  • CVE-2026-27899
  • GHSA-5rmx-256w-8mj9
  • GO-2026-4566

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