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

Date Jun 25, 2026
Type Vendor advisory
Signal High-risk advisory
Vendor / Product Go ยท golang.org/x/crypto/ssh/agent
CVE CVE-2026-39833
High-risk advisory CVE-2026-39833

Summary

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

Why it matters

GitHub has published a reviewed security advisory for golang.org/x/crypto/ssh/agent. Prioritize it with other application dependency updates, especially because EPSS places it in the 28% percentile.

Operator check

Check whether golang.org/x/crypto/ssh/agent is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. EPSS probability: 0.4%; percentile: 28%.

Sources

PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.