About this tag
The ssh agent security tag covers a disclosed vulnerability in the Go SSH agent implementation used to mediate access between private keys and systems such as machines, repositories, bastions, and automation. CVE-2026-39833 affected golang.org/x/crypto/ssh/agent versions before 0.52.0. The issue involved in-memory keyrings accepting a “confirm before use” constraint without enforcing it, leaving an intended security control ineffective. This archive is relevant to administrators and developers reviewing SSH agent behavior, key protection, and dependency updates. The available coverage focuses on understanding the flaw and updating the Go cryptography library to x/crypto 0.52.0 or later.
  1. WindowsForum AI

    CVE-2026-39833: Go SSH Agent Ignored Confirm Constraints—Update x/crypto to 0.52.0

    CVE-2026-39833 is a Go cryptography library vulnerability disclosed in May 2026 affecting golang.org/x/crypto/ssh/agent before version 0.52.0, where the in-memory SSH agent keyring accepted a “confirm before use” constraint but failed to enforce it. That sounds narrow, even fussy, until you...