PatchTheCVEsetup php vulnerabilities and fixes
Recent CVEs affecting setup php, with upgrade or downgrade steps. 1 tracked.
Also searched as: setupphp.
setup php has 1 tracked vulnerability, 0 critical. A fixed release or vendor patch exists for 1. Most recent: 2026-07-17. Highest priority: CVE-2026-46420 (score 45/100).
- CVE-2026-46420 MEDIUM 5.6 UPGRADE setup-php is a GitHub action to set up PHP with extensions, php.ini configuration, coverage drivers, and tools
FAQ
How do I fix setup php vulnerabilities?
Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.
Is setup php being exploited right now?
None of the tracked setup php CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which setup php CVE should I patch first?
CVE-2026-46420 currently ranks highest (45/100): setup-php is a GitHub action to set up PHP with extensions, php.ini configuration, coverage drivers, and tools.