CVE-2026-56854

The source-address critical option in the Permissions returned by an authentication callback was only enforced for the PublicKeyCallback and VerifiedPublicKeyCallback paths, extending the fix for CVE-2026-46595. Permissions returned by the PasswordCallback, KeyboardInteractiveCallback,...

GO-2026-6303 Source-address critical option not enforced for non-public-key auth callbacks in golang.org/x/crypto/ssh

The source-address critical option in the Permissions returned by an authentication callback was only enforced for the PublicKeyCallback and VerifiedPublicKeyCallback paths, extending the fix for CVE-2026-46595. Permissions returned by the PasswordCallback, KeyboardInteractiveCallback,...

Incorrect Authorization

Overview golang.org/x/crypto/ssh is a SSH client and server Affected versions of this package are vulnerable to Incorrect Authorization in NewServerConn, which applied the critical option from the Permissions returned by an authentication callback only on the PublicKeyCallback and...

CVE-2026-56854: Incorrect Authorization

The source-address critical option in the Permissions returned by an authentication callback was only enforced for the PublicKeyCallback and VerifiedPublicKeyCallback paths, extending the fix for CVE-2026-46595. Permissions returned by the PasswordCallback, KeyboardInteractiveCallback,...

CVE-2026-56854: Incorrect Authorization

The source-address critical option in the Permissions returned by an authentication callback was only enforced for the PublicKeyCallback and VerifiedPublicKeyCallback paths, extending the fix for CVE-2026-46595. Permissions returned by the PasswordCallback, KeyboardInteractiveCallback,...

PT-2026-83135

Name of the Vulnerable Software and Affected Versions The product name cannot be determined affected versions not specified Description A flaw exists where the source-address critical option in the Permissions returned by certain authentication callbacks is not validated against the client's remo...