{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-128026","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","state":"PUBLISHED","assignerShortName":"VulnCheck","dateReserved":"2026-11-12T20:33:43.125Z","datePublished":"2026-11-13T09:34:03.804Z","dateUpdated":"2026-11-13T09:34:03.804Z"},"containers":{"cna":{"providerMetadata":{"orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","shortName":"VulnCheck","dateUpdated":"2026-11-13T09:34:03.804Z"},"datePublic":"2026-10-04T00:00:00.000Z","title":"FrankenPHP 1.5.0 before 1.13.0 Cross-Request Environment Leakage via putenv","descriptions":[{"lang":"en","value":"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."}],"problemTypes":[{"descriptions":[{"lang":"en","description":"Exposure of Data Element to Wrong Session","cweId":"CWE-488","type":"CWE"}]}],"affected":[{"vendor":"php","product":"frankenphp","defaultStatus":"unaffected","packageURL":"pkg:golang/github.com/dunglas/frankenphp","versions":[{"version":"1.5.0","status":"affected","versionType":"semver","lessThan":"1.13.0"},{"version":"1.13.0","status":"unaffected","versionType":"semver"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:php:frankenphp:*:*:*:*:*:*:*:*","versionStartIncluding":"1.5.0","versionEndExcluding":"1.13.0"}]}]}],"metrics":[{"format":"CVSS","cvssV4_0":{"version":"4.0","vectorString":"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","attackVector":"LOCAL","attackComplexity":"HIGH","attackRequirements":"PRESENT","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"LOW","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"HIGH","subIntegrityImpact":"LOW","subAvailabilityImpact":"NONE","baseScore":6.9,"baseSeverity":"MEDIUM"}},{"format":"CVSS","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N","attackVector":"LOCAL","attackComplexity":"HIGH","privilegesRequired":"LOW","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"LOW","availabilityImpact":"NONE","baseScore":6.4,"baseSeverity":"MEDIUM"}}],"references":[{"url":"https://github.com/php/frankenphp/security/advisories/GHSA-996f-w38m-f574","tags":["vendor-advisory"],"name":"GitHub Security Advisory (GHSA-996f-w38m-f574)"},{"name":"VulnCheck Advisory: FrankenPHP 1.5.0 before 1.13.0 Cross-Request Environment Leakage via putenv","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/frankenphp-1.5.0-before-1.13.0-cross-request-environment-leakage-via-putenv"}],"credits":[{"lang":"en","value":"iliaal","type":"reporter"},{"lang":"en","value":"alexandre-daubois","type":"remediation developer"}],"x_generator":{"engine":"vulncheck-endgame"}}}}