{"affected":[{"defaultStatus":"unaffected","ecosystem":"golang","packageName":"github.com/dunglas/frankenphp","product":"frankenphp","source":"CNA: VulnCheck","vendor":"php","versions":[{"lessThan":"1.13.0","status":"affected","version":"1.5.0","versionType":"semver"},{"status":"unaffected","version":"1.13.0","versionType":"semver"}]}],"cveId":"CVE-2026-128026","cwes":["CWE-488"],"description":"FrankenPHP from 1.5.0 before 1.13.0 contains an incomplete environment sandbox vulnerability in which putenv writes to the process-wide OS environment via os.Setenv, leaking values across concurrent requests. Attackers reaching a request path that spawns child processes with the default environment through proc_open or exec can read secrets such as database passwords set by other requests.","epss":null,"exploits":[],"kev":null,"metrics":[{"score":6.9,"severity":"medium","source":"CNA: VulnCheck","vector":"CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:H/VI:L/VA:N/SC:H/SI:L/SA:N","version":"4.0"},{"score":6.4,"severity":"medium","source":"CNA: VulnCheck","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N","version":"3.1"},{"score":6.9,"severity":"medium","source":"NVD: disclosure@vulncheck.com","vector":"CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:H/VI:L/VA:N/SC:H/SI:L/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":6.4,"severity":"medium","source":"NVD: disclosure@vulncheck.com","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N","version":"3.1"}],"modifiedAt":1794565088523,"publishedAt":1794562443804,"references":[{"source":"CNA: VulnCheck","tags":["vendor-advisory"],"url":"https://github.com/php/frankenphp/security/advisories/GHSA-996f-w38m-f574"},{"source":"CNA: VulnCheck","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/frankenphp-1.5.0-before-1.13.0-cross-request-environment-leakage-via-putenv"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://github.com/php/frankenphp/security/advisories/GHSA-996f-w38m-f574"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://www.vulncheck.com/advisories/frankenphp-1.5.0-before-1.13.0-cross-request-environment-leakage-via-putenv"}],"remediation":[],"revision":"98fe1c006937715bf53bd4afd33535cdb01904f6ebe6404dd7f1cb77d08a2007","sources":[{"modifiedAt":1794562443804,"name":"CNA: VulnCheck","retrievedAt":1794564825564,"url":"https://www.cve.org/CVERecord?id=CVE-2026-128026"},{"modifiedAt":1794565088523,"name":"NVD","retrievedAt":1794572252203,"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-128026"}],"ssvc":null,"status":"published","title":"FrankenPHP 1.5.0 before 1.13.0 Cross-Request Environment Leakage via putenv","updatedAt":1794572252203}