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CVE-2026-72603

wg-easy wg-easy - OS Command Injection

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 name is written to the WireGuard configuration file without neutralizing newline characters, allowing injection of arbitrary directives that are executed by wg-quick with root privileges. An attacker with clients.create permission achieves root code execution on the host.

CVSS 3.1 · 9.9 Critical EPSS 2.2% KEV · Not listed
Vendors
Wg-easy
Products
Wg-easy
CVE-2026-63089

WireGuard Easy Weak Token Generation Information Disclosure via OTL Route

WireGuard Easy through 15.3.0, fixed in commit 66b292b, contains a cryptographically weak one-time link token generation vulnerability that allows unauthenticated network attackers to recover WireGuard peer credentials by brute-forcing a keyspace of at most 1000 candidate tokens per client ID, as the token is computed using CRC32 over a random value constrained to 0-999. Attackers can enumerate candidate tokens against the unauthenticated /cnf/:oneTimeLink route, which lacks rate limiting and does not validate token expiration, to obtain a peer's PrivateKey and PresharedKey and impersonate that peer on the VPN network.

CVSS 4.0 · 9 Critical EPSS < 1% KEV · Not listed
Vendors
Wg-easy
Products
Wg-easy