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 2026.10.29.4, updated 2026-10-29. Browse by package.

19,303CVEs
8,638Composer advisories
12,328WordPress advisories
35Actively exploited (KEV) →
CVEPackageTitleSeverityCVSSEPSS
CVE-2019-14537yourls/yourlsAccess of Resource Using Incompatible Type ('Type Confusion') in yourls/yourlscritical9.86%
CVE-2021-26600impresscms/impresscmsType Confusion in ImpressCMScritical9.86%
CVE-2019-17675WordPress coreWordPress before 5.2.4 does not properly consider type confusion during validation of the referer in the admin pages, possibly leading to CShigh8.83%
CVE-2022-1176remdex/livehelperchatType Confusion in LiveHelperChathigh7.51%
CVE-2021-46743firebase/php-jwtFirebase PHP-JWT key/algorithm type confusioncritical9.11%
CVE-2024-56522tecnickcom/tcpdfTCPDF has incorrect comparisonhigh7.51%
CVE-2026-54164api-platform/coreAPI Platform Core: Relation IRIs are not type-checked: a related resource can be denormalised as the wrong resource type (type confusion)medium6.50%
CVE-2026-35541roundcube/roundcubemailRoundcube Webmail: Incorrect password comparison in the password pluginmedium4.20%
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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.