PHP 8.6.0 RC4 available for testing

The PHP team is pleased to announce the third release candidate of PHP 8.6.0, RC4. This continues the PHP 8.6 release cycle, whose rough outline is specified in the . PHP Wiki Source downloads of PHP 8.6.0 RC4 are available on the . download page Please carefully test this version and report any issues found in the . GitHub Issues This version also contains the fixes for two critical vulnerabilities that can allow unauthenticated remote code execution. Everyone running earlier builds of PHP 8.6.0 is strongly encouraged to update immediately. Please DO NOT use this version in production, it is…

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On 10/22/2026, 12:41 AM, PHP News published "PHP 8.6.0 RC4 available for testing" (type: Release). Severity is "Critical" (critical). Related technologies: PHP, GitHub.