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PRODUCT UPDATECLOUDFLAREVERIFIED

PUBLISHER UPDATE · CLOUDFLARE-1.3-CAPABLE

CLOUDFLARE-1.3-CAPABLE release notes and known issues

Automatic Key Exchange: faster, post-quantum secure origin handshakes for 45 billion daily connections (and counting)

Scope: Cloudflare products. This update record adds version, fix and known-issue context. Its publication date is not a lifecycle boundary.

Summary

Automatic Key Exchange probes TLS 1.3-capable customer origins to learn which key agreement algorithms they support. We then lead with the most secure algorithm when connecting to the origin, preferring post-quantum connections wherever the origin supports it.

Improvements and security content

  • Automatic Key Exchange probes TLS 1.3-capable customer origins to learn which key agreement algorithms they support. We then lead with the most secure algorithm when connecting to the origin, preferring post-quantum connections wherever the origin supports it.

Known issues

Publisher statement

Not stated. The verified publisher record does not contain a known-issues statement.

Affected products and versions

Products

  • Cloudflare products

Affected versions

  • 1.3-capable

Fixed versions or updates

  • No fixed version is stated in this record.

Recommended action

Review the official publisher document before deployment.

Official publisher evidence

CLOUDFLAREVERIFIED

Automatic Key Exchange: faster, post-quantum secure origin handshakes for 45 billion daily connections (and counting)

Checked 26 Sep 2026. BlackTree preserves the last verified facts if a later source check is temporarily unavailable.

Open the official publisher source