CVE-2026-39832

CVE-2026-39832 concerns how remote agent constraint extensions are serialized. The issue allowed destination restrictions (e.g., [email protected]) to be stripped when forwarding keys, effectively enabling unrestricted use of the key on the remote host. The description notes th...

GO-2026-5006 Invoking agent constraints dropped when forwarding keys in golang.org/x/crypto/ssh/agent

When adding a key to a remote agent constraint extensions such as [email protected] were not serialized in the request. Destination restrictions were silently stripped when forwarding keys, allowing unrestricted use of the key on the remote host. The client now serializes all...