VULNRABLE / Vulnerability / CVE-2026-39831

CVE-2026-39831

UNKNOWN LOW golang.org/x/crypto OSV

Exploit verdict: No active-exploit signal

CVSS Score

—

Severity

UNKNOWN

EPSS

Source

OSV

Summary

Invoking bypass of FIDO/U2F security keys physical interaction in golang.org/x/crypto/ssh

What this means

CVE-2026-39831 is a unknown-severity vulnerability affecting golang.org/x/crypto. The EPSS model estimates a 0% probability of exploitation in the next 30 days. Published May 22, 2026.

View full advisory at OSV →