Mozilla Fixed 423 Firefox Security Bugs in April After AI Helped Find Hundreds of Flaws

Mozilla fixed 423 Firefox security bugs across April 2026 releases after using Claude Mythos Preview and other security testing methods to find flaws in the browser. The largest batch came with Firefox 150, which included fixes for 271 vulnerabilities identified during Mozilla’s early evaluation of Anthropic’s Claude Mythos Preview. The update matters because Mozilla says […] The post Mozilla Fixed 423 Firefox Security Bugs in April After AI Helped Find Hundreds of Flaws appeared first on VPN Central.