{"id":"CVE-2026-119416","title":"CakePHP through 5.4.3 Cookie Leakage via HTTP Client CookieCollection Domain Matching","summary":"CakePHP through 5.4.3 contains an improper cookie domain validation vulnerability in the Http Client CookieCollection that allows malicious servers to receive and plant cookies by abusing unanchored suffix matching. Attackers controlling…","severity":"medium","cvss":4.8,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N","cvssSource":"cna","cwe":["CWE-346"],"vendor":"cakephp","product":"cakephp","affected":["cakephp <= 5.4.3"],"published":"2026-10-30","updated":"2026-10-30","sourceUpdated":"2026-10-30T11:30:48.754Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-119416","references":[{"url":"https://github.com/cakephp/cakephp/commit/01753266738606bc0e48e61e44a6e252f11386f9"},{"url":"https://github.com/cakephp/cakephp/commit/5d9d01a91f0e678d857a94115de12c3e02f3fbba"},{"url":"https://github.com/cakephp/cakephp/commit/bbba5ed06d5cea7e78333b01e65557cff7a28306"},{"url":"https://github.com/cakephp/cakephp/commit/819b45cbcc5ba864568cb57f62e4fde650b41161"},{"url":"https://github.com/cakephp/cakephp/pull/19702"},{"url":"https://github.com/cakephp/cakephp/blob/6f3dd91371ac0698b64024ddb21d57def9fbba91/src/Http/Cookie/CookieCollection.php#L315"},{"url":"https://github.com/cakephp/cakephp/blob/6f3dd91371ac0698b64024ddb21d57def9fbba91/src/Http/Cookie/CookieCollection.php#L74"},{"url":"https://abraxaslabs.tech/research/cakephp-cookie-suffix"},{"url":"https://github.com/cakephp/cakephp"},{"url":"https://www.vulncheck.com/advisories/cakephp-through-5.4.3-cookie-leakage-via-http-client-cookiecollection-domain-matching","label":"VulnCheck Advisory: CakePHP through 5.4.3 Cookie Leakage via HTTP Client CookieCollection Domain Matching"}],"tags":["cve.org"],"epss":0.00175,"epssPercentile":0.0692,"ingestedAt":"2026-11-03T10:42:03.639Z","slug":"CVE-2026-119416","body":"## Overview\n\nCakePHP through 5.4.3 contains an improper cookie domain validation vulnerability in the Http Client CookieCollection that allows malicious servers to receive and plant cookies by abusing unanchored suffix matching. Attackers controlling a host such as one ending in a victim domain suffix, or sending Set-Cookie Domain values for unrelated hosts, can steal session cookies or inject cookies into shared client cookie jars.\n\n## Affected\n\n- `cakephp <= 5.4.3`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":26,"depthScoreParts":{"impact":26.4,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}