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-2023-45363mediawiki/coreMediaWiki Denial of Service vulnerabilityhigh7.524%
CVE-2026-43871apache/thriftApache Thrift Python, Go, PHP and Java bindings have an Infinite Loophigh7.51%
CVE-2023-23617openmage/magento-ltsDoS vulnerability in MaliciousCode filtermedium4.91%
CVE-2023-27560phpseclib/phpseclibphpseclib Infinite Loop vulnerabilityhigh7.51%
CVE-2024-29904codeigniter4/frameworkCodeIgniter4 DoS Vulnerabilityhigh7.51%
CVE-2026-84997react/httpreact/http: A malformed HTTP chunked body can lead to a denial-of-service and peg the CPUhigh7.51%
CVE-2024-11941drupal/coreThe Comment module allows users to reply to comments. In certain cases, an attacker could make comment reply requests thhigh7.50%
CVE-2026-59933phpoffice/phpspreadsheetPHPSpreadsheet: XLS/OLE sector-chain self-loop causes memory exhaustionhigh7.50%
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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.