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#Wildcard Pattern

articleHIGH 7.6

Wails v2 Origin Validator Bypass via Wildcard Pattern - CVE-2026-34157

A vulnerability in Wails v2's `BindingsAllowedOrigins` allows an attacker to bypass origin restrictions via a wildcard pattern suffix match. This could lead to arbitrary Go method invocation, potentially resulting in file system access, data exfiltration, or code execution. The vulnerability has a CVSS score of 7.6 and affects all desktop platforms. Immediate patching or mitigation is recommended.

Oct 27, 20261 source