PHP vulnerability advisories

Every CVE phpwarden knows about across the PHP engine, Composer packages and WordPress plugins, themes and core — ranked by real-world exploitation. Feed 2026.10.29.1, updated 2026-10-28. Browse by package.

19,303CVEs
8,638Composer advisories
12,328WordPress advisories
35Actively exploited (KEV) →
CVEPackageTitleSeverityCVSSEPSS
CVE-2022-0666microweber/microweberCRLF Injection in microweberhigh7.644%
CVE-2021-39172cachethq/cachetCachet vulnerable to new line injection during configuration editionhigh8.829%
CVE-2007-4190joomla/applicationJoomla! vulnerable to CRLF injectionmedium0.02%
CVE-2011-4203moodle/moodleMoodle CRLF Injection Vulnerability in Calendar Componentmedium0.01%
CVE-2021-4097phpservermon/phpservermonphpservermon is vulnerable to CRLF Injectionmedium6.31%
CVE-2026-84372predis/predisPredis: Redis command injection and denial of service via CRLF smuggling in pipelined commands on aggregate connectionscritical9.81%
CVE-2026-45067symfony/mime, symfony/symfonySymfony has Email Header / SMTP Command Injection via CRLF in Symfony\Component\Mime\Addresshigh0.01%
CVE-2026-77634cakephp/cakephpCakePHP: SmtpTransport vulnerable to CRLF header injectionhigh0.01%
CVE-2026-39394ci4-cms-erp/ci4msCI4MS Vulnerable to .env CRLF Injection via Unvalidated `host` Parameter in Install Controllerhigh8.11%
CVE-2026-48019laravel/framework, illuminate/mailLaravel Framework: CRLF injection in default email rulehigh8.91%
CVE-2026-50188getkirby/cmsKirby: Request header injection in `Http\Remote`medium0.00%
CVE-2026-45070symfony/mime, symfony/symfonySymfony has Email Header Injection via Non-Token Characters in Mime Parameter Namesmedium0.00%
CVE-2026-41230froxlor/froxlorFroxlor has a BIND Zone File Injection via Unsanitized DNS Record Content in DomainZones::add()high8.50%
CVE-2026-55766guzzlehttp/psr7guzzlehttp/psr7: CRLF Injection in HTTP Start-Line Serializationmedium4.80%
CVE-2026-43882wwbn/avideoAVideo: Unauthenticated CRLF/ICS Injection in Scheduler downloadICS.php Allows Calendar Event Spoofingmedium4.30%
CVE-2026-41570phpunit/phpunitPHPUnit has Argument injection via newline in PHP INI values that are forwarded to child processeshigh7.80%
CVE-2026-49214guzzlehttp/psr7guzzlehttp/psr7 has CRLF Injection via URI Host Componentmedium5.30%
CVE-2026-61815zbateson/mail-mime-parserzbateson/mail-mime-parser has CRLF header injection via attachment filenamehigh7.20%
GHSA-mh6w-vxff-9wqpphpunit/phpunitPHPUnit: Argument injection via newline in PHP INI values forwarded to child processeshigh7.8–
Page 1 of 1 · 19 advisories
Severity and CVSS come from the upstream advisory (OSV.dev, NVD, FriendsOfPHP); KEV marks CVEs on CISA's Known Exploited Vulnerabilities list; EPSS is FIRST's 30-day exploitation probability. Rows sort exploitation-first: KEV, then EPSS, then CVSS.