CVE-2026-39831 | x-crypto up to 0.51.x FIDO/U2F Verify authentication spoofing

A vulnerability, which was classified as critical, has been found in x-crypto up to 0.51.x. This impacts the function Verify of the component FIDO/U2F. Performing a manipulation results in authentication bypass by spoofing.

This vulnerability is identified as CVE-2026-39831. The attack may be carried out on the physical device. There is not any exploit available.

It is advisable to upgrade the affected component.VulDB Recent EntriesRead More