Symfony had a major security week, releasing 36 security advisories alongside security patch releases for versions 5.4.52, 6.4.40, 7.4.12, 8.0.12, 8.1.0 BETA3, and Twig 3.26.0. Many vulnerabilities were discovered using Claude Mythos AI to audit the Symfony and Twig codebases. Key fixes include XSS in TwigBridge, HtmlSanitizer URL bypass issues, webhook authentication hardening across Mailer and Notifier, and a CVE-2024-50340 patch bypass in Runtime. The weekly roundup also covers 96 merged pull requests, community articles on hexagonal architecture, N+1 query strategies, and Symfony Messenger patterns, plus upcoming events and job listings.
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