services / Azure / Bastion Host session recording SAS URL

Azure Bastion is a managed PaaS jump host deployed in a VNet that brokers secure browser-based RDP/SSH connectivity to VMs without exposing public IPs on those VMs.

A production secure-access entry point into a private network; controlling or observing it affects reachability of all VMs behind it.

Microsoft.​Network/​BastionHosts/​getsessionrecordingsasurl/​read

Returns the SAS URL (a bearer credential token) that grants direct access to the storage holding recorded RDP/SSH privileged sessions, exposing both the credential token and the sensitive session audit recordings.

Risks

1. Cryptographic exfiltration (CRITICAL)
2. Logs exfiltration (MEDIUM)

Scope: HIGH

This privilege may grant access to sensitive data from a single organizational function, or allow interruption of a service supporting a single organizational function.

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