What is CVE-2026-72603?

CVE-2026-72603 is a critical-severity vulnerability in Wg-easy, classified under OS Command Injection. CVSS score: 9.9/10. Published 2026-08-11.

How severe is CVE-2026-72603?

Critical severity. CVSS v3 base score is 9.9 out of 10.

RCE in Wg-easy

CVE-2026-72603

An OS command injection vulnerability in wg-easy 15.3.0 allows users with the clients.create permission to execute arbitrary commands as root by injecting newline-delimited WireGuard PostUp directives into the client name field. The client…

Vulnerability class: Command Injection (OS Command Injection)

CVSS v3 metric

CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

Affected products

Wg-easy — versions 0

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c

Frequently asked questions

What is CVE-2026-72603?: CVE-2026-72603 is a critical-severity vulnerability in Wg-easy, classified under OS Command Injection. CVSS score: 9.9/10. Published 2026-08-11.
How severe is CVE-2026-72603?: Critical severity. CVSS v3 base score is 9.9 out of 10.