{"affected":[{"defaultStatus":"unaffected","ecosystem":"golang","packageName":"github.com/dunglas/frankenphp","product":"frankenphp","source":"CNA: VulnCheck","vendor":"php","versions":[{"lessThan":"1.13.2","status":"affected","version":"0","versionType":"semver"},{"status":"unaffected","version":"1.13.2","versionType":"semver"}]}],"cveId":"CVE-2026-128020","cwes":["CWE-674"],"description":"FrankenPHP before 1.13.2 contains an uncontrolled recursion vulnerability in its PHP-to-Go array converter that fails to detect circular references in PHP arrays. Passing a self-referential array to frankenphp_log() or returning one from a worker callback triggers a fatal Go stack overflow, terminating the entire server process.","epss":null,"exploits":[],"kev":null,"metrics":[{"score":8.2,"severity":"high","source":"CNA: VulnCheck","vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","version":"4.0"},{"score":5.9,"severity":"medium","source":"CNA: VulnCheck","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},{"score":8.2,"severity":"high","source":"NVD: disclosure@vulncheck.com","vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","version":"4.0"},{"score":5.9,"severity":"medium","source":"NVD: disclosure@vulncheck.com","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}],"modifiedAt":1794565087587,"publishedAt":1794562447894,"references":[{"source":"CNA: VulnCheck","tags":["vendor-advisory"],"url":"https://github.com/php/frankenphp/security/advisories/GHSA-ccgp-ch9h-533f"},{"source":"CNA: VulnCheck","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/frankenphp-before-1.13.2-denial-of-service-via-cyclic-array-conversion"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://github.com/php/frankenphp/security/advisories/GHSA-ccgp-ch9h-533f"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://www.vulncheck.com/advisories/frankenphp-before-1.13.2-denial-of-service-via-cyclic-array-conversion"}],"remediation":[],"revision":"1a59cdb677fecde71b2ee0640de27b37cd1700a1022aa7154a8c9acc35e4a37b","sources":[{"modifiedAt":1794562447894,"name":"CNA: VulnCheck","retrievedAt":1794564817353,"url":"https://www.cve.org/CVERecord?id=CVE-2026-128020"},{"modifiedAt":1794565087587,"name":"NVD","retrievedAt":1794572250622,"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-128020"}],"ssvc":null,"status":"published","title":"FrankenPHP before 1.13.2 Denial of Service via Cyclic Array Conversion","updatedAt":1794572250622}