{"id":"CVE-2026-128023","aliases":[],"cve":{"records":[{"id":"CVE-2026-128023","source":"VulnCheck","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-11-12T20:32:53.532Z","published":"2026-11-13T09:34:05.836Z","modified":"2026-11-13T09:34:05.836Z"}],"publishers":[{"name":"VulnCheck","role":"CNA","organizationId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","modified":"2026-11-13T09:34:05.836Z"}],"references":[{"url":"https://github.com/php/frankenphp/security/advisories/GHSA-qcrp-8483-f2f2","tags":["vendor-advisory"],"source":"VulnCheck"},{"url":"https://www.vulncheck.com/advisories/frankenphp-before-1.13.0-authentication-bypass-via-dot-form-header-name-aliasing","tags":["third-party-advisory"],"source":"VulnCheck"}],"weaknesses":[{"id":"CWE-290","description":"Authentication Bypass by Spoofing","source":"VulnCheck"}],"applicability":[{"source":"VulnCheck","statements":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:php:frankenphp:*:*:*:*:*:*:*:*","versionEndExcluding":"1.13.0"}]}]}]}],"prioritization":[]},"title":"FrankenPHP before 1.13.0 Authentication Bypass via Dot-Form Header Name Aliasing","titleSource":"VulnCheck","descriptionSource":"VulnCheck","description":"FrankenPHP before 1.13.0 contains an authentication bypass vulnerability that allows unauthenticated attackers to spoof trusted headers by sending dot-form header names that PHP rewrites to underscores. Attackers can send headers like X.Authenticated.User or X.Forwarded.For that map to $_SERVER keys, spoofing user identity, client IP, or scheme.","score":9.1,"severity":"critical","published":"2026-11-13T09:34:05.836Z","modified":"2026-11-13T09:34:05.836Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"php","name":"frankenphp","platforms":[],"versions":[{"version":"0","status":"affected","lessThan":"1.13.0","versionType":"semver"},{"version":"1.13.0","status":"unaffected","versionType":"semver"}],"defaultStatus":"unaffected","packageURL":"pkg:golang/github.com/dunglas/frankenphp","packageIdentity":{"ecosystem":"Go","name":"github.com/dunglas/frankenphp"},"cpes":[],"source":"VulnCheck","url":"https://www.cve.org/CVERecord?id=CVE-2026-128023"}],"remediation":[],"references":["https://github.com/php/frankenphp/security/advisories/GHSA-qcrp-8483-f2f2","https://www.vulncheck.com/advisories/frankenphp-before-1.13.0-authentication-bypass-via-dot-form-header-name-aliasing"],"sources":[{"name":"CVE","id":"CVE-2026-128023","modified":"2026-11-13T09:34:05.836Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-128023"}],"assessments":[{"source":"VulnCheck","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","score":9.1},{"source":"VulnCheck","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","score":7.4}],"sourceAffected":[],"observedAt":"2026-11-13T12:49:50.331Z","kev":{"status":"not-listed","checkedAt":"2026-11-15T03:35:31.150Z"},"coverage":[{"source":"NVD","status":"refresh-failed","attemptedAt":"2026-11-14T08:45:49.860Z"},{"source":"GHSA","status":"available","checkedAt":"2026-11-14T08:35:37.717Z","attemptedAt":"2026-11-14T08:35:37.717Z"},{"source":"EUVD","status":"available","checkedAt":"2026-11-14T08:25:32.383Z","attemptedAt":"2026-11-14T08:25:32.383Z"},{"source":"EPSS","status":"available","checkedAt":"2026-11-14T08:25:32.265Z","attemptedAt":"2026-11-14T08:25:32.265Z"}],"evidence":[{"source":"FIRST EPSS","id":"CVE-2026-128023","url":"https://www.first.org/epss/","probability":0.00511,"percentile":0.44171,"date":"2026-11-13","checkedAt":"2026-11-14T08:25:32.265Z"},{"source":"ENISA EUVD","id":"EUVD-2026-125079","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-125079","modified":"Nov 13, 2026, 9:34:05 AM","score":9.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","checkedAt":"2026-11-14T08:25:32.383Z"},{"source":"GitHub Advisory Database","id":"GHSA-prm4-w6g7-pw64","url":"https://github.com/advisories/GHSA-prm4-w6g7-pw64","modified":"2026-11-13T12:31:43Z","score":7.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","checkedAt":"2026-11-14T08:35:37.717Z"}],"aiSummary":{"text":"FrankenPHP before 1.13.0 has an authentication bypass vulnerability via dot-form header name aliasing, allowing unauthenticated attackers to spoof trusted headers. Attackers can send headers that map to $_SERVER keys, potentially spoofing user identity or client IP. No fix is mentioned.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-11-13T13:56:11.819Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-128023"}]}}