2026.28

Released 2026-05-21

Changes

Mitigation for CVE-2026-46333

This release includes mitigation for CVE-2026-46333, disabling ptrace for non-root users.

Relay proxy improvements

Updates to the relay proxy for essentials and standard stacks. This allows for Wordpress to be installed at /var/www/html.

Fix bad permissions for opensearch

Updates to the nfs-server fix-shared-permissions command to exclude opensearch and redis directories.

PHP logging improvements

Use REQUEST_URI instead of %r%Q%q for URI logging in PHP-FPM container logs. This avoids the problem of all logs containing the path of the front controller (usually /index.php).

Reduced PHP attack surface

Setting cgi.fix_pathinfo = 0 for essentials and standard packages. This disallows old-style PHP paths such as /entry.php/some/path, which are not expected to be used in modern environments.

Component upgrades

Component Previous Current
Debian 13.4 13.5
Varnish 6.0.17 6.0.18

Artifacts matrix

Image Type Family / Variant OS Packages Architectures URI
Container php-fpm:8.1-arm64 Debian 13.2 8.1.34, composer-2.9.8 arm64 public.ecr.aws/webscale/php-fpm:8.1-arm64-2026.28
Container php-fpm:8.2-arm64 Debian 13.5 8.2.31, composer-2.9.8 arm64 public.ecr.aws/webscale/php-fpm:8.2-arm64-2026.28
Container php-fpm:8.3-arm64 Debian 13.5 8.3.31, composer-2.9.8 arm64 public.ecr.aws/webscale/php-fpm:8.3-arm64-2026.28
Container php-fpm:8.4-arm64 Debian 13.5 8.4.21, composer-2.9.8 arm64 public.ecr.aws/webscale/php-fpm:8.4-arm64-2026.28
Container php-fpm:8.5-arm64 Debian 13.5 8.5.6, composer-2.9.8 arm64 public.ecr.aws/webscale/php-fpm:8.5-arm64-2026.28
Container php-fpm:8.1-deb Debian 13.2 8.1.34, composer-2.9.8 amd64 public.ecr.aws/webscale/php-fpm:8.1-deb-2026.28
Container php-fpm:8.2-deb Debian 13.5 8.2.31, composer-2.9.8 amd64 public.ecr.aws/webscale/php-fpm:8.2-deb-2026.28
Container php-fpm:8.3-deb Debian 13.5 8.3.31, composer-2.9.8 amd64 public.ecr.aws/webscale/php-fpm:8.3-deb-2026.28
Container php-fpm:8.4-deb Debian 13.5 8.4.21, composer-2.9.8 amd64 public.ecr.aws/webscale/php-fpm:8.4-deb-2026.28
Container php-fpm:8.1 Alpine 3.21.7 8.1.34, composer-2.9.8 amd64 public.ecr.aws/webscale/php-fpm:8.1-2026.28
Container php-fpm:8.2 Alpine 3.23.4 8.2.31, composer-2.9.8 amd64 public.ecr.aws/webscale/php-fpm:8.2-2026.28
Container php-fpm:8.3 Alpine 3.23.4 8.3.31, composer-2.9.8 amd64 public.ecr.aws/webscale/php-fpm:8.3-2026.28
Container php-fpm:8.4 Alpine 3.23.4 8.4.21, composer-2.9.8 amd64 public.ecr.aws/webscale/php-fpm:8.4-2026.28
Container rabbitmq Ubuntu 24.04.4 LTS 4.3.0 arm64 public.ecr.aws/webscale/rabbitmq:2026.28
Container varnish Debian 12.14 6.0.18 arm64 public.ecr.aws/webscale/varnish:2026.28

Last modified May 21, 2026