{"id":"CVE-2026-119417","aliases":["GHSA-2qh5-382h-3jpc","CVE-2026-77634"],"title":"CakePHP through 5.4.3 Email Header Injection via Bare CR/LF in SmtpTransport and MailTransport","titleSource":"VulnCheck","descriptionSource":"OSV","declaredSeverity":"HIGH","description":"### Impact\n\nCustom mail headers added with `Message::setHeaders()` or `addHeaders()` do not have CRLF replaced allowing header injection if user controlled data is added to message headers without stripping CRLF bytes.\n\n### Patches\n5.3.7, 5.2.14, 5.1.9, 4.6.5, 4.5.12 contain fixes for this issue.\n\n### Workarounds\nYou can strip CRLF bytes from email header values before setting header values.","severity":"high","score":8.2,"published":"2026-09-08T20:56:26.000Z","modified":"2026-10-31T02:55:38.121Z","withdrawn":false,"knownExploited":false,"affected":[{"ecosystem":"Packagist","name":"cakephp/cakephp","sources":[{"name":"OSV · GHSA-2qh5-382h-3jpc","url":"https://osv.dev/vulnerability/GHSA-2qh5-382h-3jpc"}],"ranges":[{"events":[{"introduced":"4.5.0"},{"fixed":"4.5.12"}],"type":"ECOSYSTEM"}],"versions":["4.5.0","4.5.1","4.5.10","4.5.11","4.5.2","4.5.3","4.5.4","4.5.5","4.5.6","4.5.7","4.5.8","4.5.9"],"fixed":["4.5.12"]},{"ecosystem":"Packagist","name":"cakephp/cakephp","sources":[{"name":"OSV · GHSA-2qh5-382h-3jpc","url":"https://osv.dev/vulnerability/GHSA-2qh5-382h-3jpc"}],"ranges":[{"events":[{"introduced":"4.6.0"},{"fixed":"4.6.5"}],"type":"ECOSYSTEM"}],"versions":["4.6.0","4.6.1","4.6.2","4.6.3","4.6.4"],"fixed":["4.6.5"]},{"ecosystem":"Packagist","name":"cakephp/cakephp","sources":[{"name":"OSV · GHSA-2qh5-382h-3jpc","url":"https://osv.dev/vulnerability/GHSA-2qh5-382h-3jpc"}],"ranges":[{"events":[{"introduced":"5.0.0"},{"fixed":"5.1.9"}],"type":"ECOSYSTEM"}],"versions":["5.0.0","5.0.1","5.0.10","5.0.11","5.0.2","5.0.3","5.0.4","5.0.5","5.0.6","5.0.7","5.0.8","5.0.9","5.1.0","5.1.0-RC1","5.1.0-RC2","5.1.1","5.1.2","5.1.4","5.1.5","5.1.6","5.1.7","5.1.8"],"fixed":["5.1.9"]},{"ecosystem":"Packagist","name":"cakephp/cakephp","sources":[{"name":"OSV · GHSA-2qh5-382h-3jpc","url":"https://osv.dev/vulnerability/GHSA-2qh5-382h-3jpc"}],"ranges":[{"events":[{"introduced":"5.2.0"},{"fixed":"5.2.14"}],"type":"ECOSYSTEM"}],"versions":["5.2.0","5.2.1","5.2.10","5.2.11","5.2.12","5.2.13","5.2.2","5.2.3","5.2.4","5.2.5","5.2.6","5.2.7","5.2.8","5.2.9"],"fixed":["5.2.14"]},{"ecosystem":"Packagist","name":"cakephp/cakephp","sources":[{"name":"OSV · GHSA-2qh5-382h-3jpc","url":"https://osv.dev/vulnerability/GHSA-2qh5-382h-3jpc"}],"ranges":[{"events":[{"introduced":"5.3.0"},{"fixed":"5.3.7"}],"type":"ECOSYSTEM"}],"versions":["5.3.0","5.3.1","5.3.2","5.3.3","5.3.4","5.3.5","5.3.6"],"fixed":["5.3.7"]}],"sourceAffected":[],"references":["https://github.com/cakephp/cakephp/commit/2b9326ca3f17b2e940c6c9f50d821e9929c00f39","https://github.com/cakephp/cakephp/commit/773587406a29eedc2e0031e12683b08e112cc538","https://github.com/cakephp/cakephp/commit/3b997318539c48a423b77651c61c9f229cbf9e33","https://github.com/cakephp/cakephp/commit/e5936b286cc389b1497fd9b675a2133ba9ac557d","https://github.com/cakephp/cakephp/pull/19695","https://github.com/cakephp/cakephp/blob/6f3dd91371ac0698b64024ddb21d57def9fbba91/src/Mailer/Transport/SmtpTransport.php#L574","https://github.com/cakephp/cakephp/blob/6f3dd91371ac0698b64024ddb21d57def9fbba91/src/Mailer/Transport/MailTransport.php#L57","https://github.com/cakephp/cakephp/security/advisories/GHSA-2qh5-382h-3jpc","https://abraxaslabs.tech/research/cakephp-smtp-crlf","https://github.com/cakephp/cakephp","https://www.vulncheck.com/advisories/cakephp-through-5.4.3-email-header-injection-via-bare-cr-lf-in-smtptransport-and-mailtransport","https://nvd.nist.gov/vuln/detail/CVE-2026-77634","https://github.com/cakephp/cakephp/commit/08188962bcd99a95da1e49f62e786f2d688f1e41","https://github.com/cakephp/cakephp/commit/2afe42b02d8ddc5d442bca5e8bb61910a727646e","https://github.com/cakephp/cakephp/commit/3e09dae6cbdc983754fa3a8e6aae74da102a3ea1","https://github.com/cakephp/cakephp/commit/b67b622457362b075bb37e625a82af73a0b3c9c3"],"sources":[{"name":"CVE","id":"CVE-2026-119417","modified":"2026-10-30T15:55:41.693Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-119417"},{"name":"OSV","id":"GHSA-2qh5-382h-3jpc","modified":"2026-10-31T02:55:38.121970071Z","url":"https://osv.dev/vulnerability/GHSA-2qh5-382h-3jpc"}],"assessments":[{"source":"VulnCheck","vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","score":6.3},{"source":"VulnCheck","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N","score":3.7},{"source":"OSV","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","score":8.2}],"cve":{"records":[{"id":"CVE-2026-119417","source":"VulnCheck","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-10-30T02:41:11.166Z","published":"2026-10-30T11:30:49.444Z","modified":"2026-10-30T15:55:41.693Z"}],"publishers":[{"name":"VulnCheck","role":"CNA","organizationId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","modified":"2026-10-30T11:30:49.444Z"},{"name":"CISA-ADP","role":"ADP","organizationId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","modified":"2026-10-30T15:55:41.693Z"}],"references":[{"url":"https://github.com/cakephp/cakephp/commit/2b9326ca3f17b2e940c6c9f50d821e9929c00f39","tags":["patch"],"source":"VulnCheck"},{"url":"https://github.com/cakephp/cakephp/commit/773587406a29eedc2e0031e12683b08e112cc538","tags":["patch"],"source":"VulnCheck"},{"url":"https://github.com/cakephp/cakephp/commit/3b997318539c48a423b77651c61c9f229cbf9e33","tags":["patch"],"source":"VulnCheck"},{"url":"https://github.com/cakephp/cakephp/commit/e5936b286cc389b1497fd9b675a2133ba9ac557d","tags":["patch"],"source":"VulnCheck"},{"url":"https://github.com/cakephp/cakephp/pull/19695","tags":["patch","issue-tracking"],"source":"VulnCheck"},{"url":"https://github.com/cakephp/cakephp/blob/6f3dd91371ac0698b64024ddb21d57def9fbba91/src/Mailer/Transport/SmtpTransport.php#L574","tags":["technical-description"],"source":"VulnCheck"},{"url":"https://github.com/cakephp/cakephp/blob/6f3dd91371ac0698b64024ddb21d57def9fbba91/src/Mailer/Transport/MailTransport.php#L57","tags":["technical-description"],"source":"VulnCheck"},{"url":"https://github.com/cakephp/cakephp/security/advisories/GHSA-2qh5-382h-3jpc","tags":["related","vendor-advisory"],"source":"VulnCheck"},{"url":"https://abraxaslabs.tech/research/cakephp-smtp-crlf","tags":["third-party-advisory"],"source":"VulnCheck"},{"url":"https://github.com/cakephp/cakephp","tags":["product"],"source":"VulnCheck"},{"url":"https://www.vulncheck.com/advisories/cakephp-through-5.4.3-email-header-injection-via-bare-cr-lf-in-smtptransport-and-mailtransport","tags":["third-party-advisory"],"source":"VulnCheck"}],"weaknesses":[{"id":"CWE-93","description":"Improper Neutralization of CRLF Sequences ('CRLF Injection')","source":"VulnCheck"}],"applicability":[{"source":"VulnCheck","statements":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:cakephp:cakephp:*:*:*:*:*:*:*:*","versionStartIncluding":"4.5.12","versionEndIncluding":"4.5.12"},{"vulnerable":true,"criteria":"cpe:2.3:a:cakephp:cakephp:*:*:*:*:*:*:*:*","versionStartIncluding":"4.6.5","versionEndIncluding":"4.6.5"},{"vulnerable":true,"criteria":"cpe:2.3:a:cakephp:cakephp:*:*:*:*:*:*:*:*","versionStartIncluding":"5.1.8","versionEndIncluding":"5.1.10"},{"vulnerable":true,"criteria":"cpe:2.3:a:cakephp:cakephp:*:*:*:*:*:*:*:*","versionStartIncluding":"5.2.14","versionEndIncluding":"5.2.15"},{"vulnerable":true,"criteria":"cpe:2.3:a:cakephp:cakephp:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3.7","versionEndIncluding":"5.3.7"},{"vulnerable":true,"criteria":"cpe:2.3:a:cakephp:cakephp:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4.0","versionEndIncluding":"5.4.3"}]}]}]}],"prioritization":[{"source":"CISA-ADP","type":"SSVC","role":"CISA Coordinator","timestamp":"2026-10-30T15:20:55.429443Z","decisions":[{"name":"Exploitation","value":"none"},{"name":"Automatable","value":"no"},{"name":"Technical Impact","value":"partial"}]}]},"products":[{"vendor":"cakephp","name":"cakephp","platforms":[],"versions":[{"version":"4.5.12","status":"affected","lessThanOrEqual":"4.5.12","versionType":"semver"},{"version":"4.6.5","status":"affected","lessThanOrEqual":"4.6.5","versionType":"semver"},{"version":"5.1.8","status":"affected","lessThanOrEqual":"5.1.10","versionType":"semver"},{"version":"5.2.14","status":"affected","lessThanOrEqual":"5.2.15","versionType":"semver"},{"version":"5.3.7","status":"affected","lessThanOrEqual":"5.3.7","versionType":"semver"},{"version":"5.4.0","status":"affected","lessThanOrEqual":"5.4.3","versionType":"semver"}],"defaultStatus":"unaffected","packageURL":"pkg:composer/cakephp/cakephp","packageIdentity":{"ecosystem":"Packagist","name":"cakephp/cakephp"},"cpes":[],"source":"VulnCheck","url":"https://www.cve.org/CVERecord?id=CVE-2026-119417"}],"remediation":[],"observedAt":"2026-10-31T03:14:18.271Z","kev":{"status":"not-listed","checkedAt":"2026-10-31T13:10:31.620Z"},"coverage":[{"source":"NVD","status":"available","checkedAt":"2026-10-31T03:15:32.716Z","attemptedAt":"2026-10-31T03:20:31.523Z"},{"source":"GHSA","status":"available","checkedAt":"2026-10-31T03:15:33.479Z","attemptedAt":"2026-10-31T03:20:32.092Z"},{"source":"EUVD","status":"available","checkedAt":"2026-10-31T03:15:32.380Z","attemptedAt":"2026-10-31T03:20:32.100Z"},{"source":"EPSS","status":"available","checkedAt":"2026-10-31T03:15:32.328Z","attemptedAt":"2026-10-31T03:20:31.063Z"}],"evidence":[{"source":"FIRST EPSS","id":"CVE-2026-77634","url":"https://www.first.org/epss/","probability":0.00543,"percentile":0.45591,"date":"2026-10-30","checkedAt":"2026-10-31T03:15:32.328Z"},{"source":"ENISA EUVD","id":"EUVD-2026-65123","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-65123","modified":"Aug 25, 2026, 7:23:40 PM","score":8.2,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","checkedAt":"2026-10-31T03:15:32.380Z"},{"source":"NVD","id":"CVE-2026-77634","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-77634","modified":"2026-10-12T21:10:00.227","score":8.2,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/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","checkedAt":"2026-10-31T03:15:32.716Z"},{"source":"GitHub Advisory Database","id":"GHSA-2qh5-382h-3jpc","url":"https://github.com/advisories/GHSA-2qh5-382h-3jpc","modified":"2026-09-08T20:56:26Z","checkedAt":"2026-10-31T03:15:33.479Z"},{"source":"NVD","id":"CVE-2026-119417","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-119417","modified":"2026-10-30T19:07:25.060","score":6.3,"vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/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","checkedAt":"2026-10-31T03:20:31.523Z"},{"source":"NVD","id":"CVE-2026-119417","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-119417","modified":"2026-10-30T19:07:25.060","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N","checkedAt":"2026-10-31T03:20:31.523Z"},{"source":"GitHub Advisory Database","id":"GHSA-xmwp-gcgj-p387","url":"https://github.com/advisories/GHSA-xmwp-gcgj-p387","modified":"2026-10-30T12:31:25Z","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N","checkedAt":"2026-10-31T03:20:32.092Z"},{"source":"ENISA EUVD","id":"EUVD-2026-113797","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-113797","modified":"Oct 30, 2026, 3:55:41 PM","score":6.3,"vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","checkedAt":"2026-10-31T03:20:32.100Z"}],"aiSummary":{"text":"CakePHP versions through 5.4.3 are vulnerable to email header injection via bare CR/LF in SmtpTransport and MailTransport. User-controlled data in message headers without stripped CRLF bytes can lead to header injection. Affected versions include 4.5.12, 4.6.5, 5.1.9, 5.2.14, 5.3.7, and 5.4.3.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-10-31T03:16:03.885Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-119417"},{"name":"OSV","url":"https://osv.dev/vulnerability/GHSA-2qh5-382h-3jpc"}]}}