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 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.

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Solution

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Workaround

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History

Fri, 30 Oct 2026 11:45:00 +0000

Type Values Removed Values Added
Description 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 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.
Title CakePHP through 5.4.3 Cookie Leakage via HTTP Client CookieCollection Domain Matching
First Time appeared Cakephp
Cakephp cakephp
Weaknesses CWE-346
CPEs cpe:2.3:a:cakephp:cakephp:*:*:*:*:*:*:*:*
Vendors & Products Cakephp
Cakephp cakephp
References
Metrics cvssV3_1

{'score': 4.8, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N'}

cvssV4_0

{'score': 6.3, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-30T11:30:48.754Z

Reserved: 2026-10-30T02:41:10.809Z

Link: CVE-2026-119416

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-30T12:16:38.043

Modified: 2026-10-30T12:16:38.043

Link: CVE-2026-119416

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-30T13:00:15Z

Weaknesses