GHSA-F5WC-C3C7-36MC golang.org/x/crypto/ssh/agent doesn't drop invoking agent constraints when forwarding keys

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...

EUVD-2026-31389

golang.org/x/crypto/ssh/agent doesn't enforce invoking key constraints...

GHSA-JPPX-RXG9-JMRX golang.org/x/crypto/ssh/agent doesn't enforce invoking key constraints

The in-memory keyring returned by NewKeyring silently accepted keys with the ConfirmBeforeUse constraint but never enforced it. The key would sign without any confirmation prompt, with no indication to the caller that the constraint was not in effect. NewKeyring now returns an error when...

CVE-2026-39833

A flaw was found in golang.org/x/crypto/ssh/agent. The NewKeyring function, which creates an in-memory keyring, failed to enforce the ConfirmBeforeUse constraint on keys. This allowed keys configured to require user confirmation before use to perform signing operations without any prompt or...

CVE-2026-39833

The in-memory keyring returned by NewKeyring silently accepted keys with the ConfirmBeforeUse constraint but never enforced it. The key would sign without any confirmation prompt, with no indication to the caller that the constraint was not in effect. NewKeyring now returns an error when...

CVE-2026-39833 Invoking key constraints not enforced in golang.org/x/crypto/ssh/agent

The in-memory keyring returned by NewKeyring silently accepted keys with the ConfirmBeforeUse constraint but never enforced it. The key would sign without any confirmation prompt, with no indication to the caller that the constraint was not in effect. NewKeyring now returns an error when...

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...

PT-2026-42712

Name of the Vulnerable Software and Affected Versions The product name cannot be determined affected versions not specified Description The in-memory keyring returned by the NewKeyring function silently accepted keys with the ConfirmBeforeUse constraint but failed to enforce it. This allowed keys...

PT-2026-42711

Name of the Vulnerable Software and Affected Versions The product name cannot be determined affected versions not specified Description Constraint extensions, such as [email protected], were not serialized in requests when adding a key to a remote agent. This caused destination...