Vulnerability in Cakephp
CVE-2026-119416
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/cakephp/cakephp/commit/01753266738606bc0e48e61e44a6e252f11386f9 (patch)
- github.com/cakephp/cakephp/commit/5d9d01a91f0e678d857a94115de12c3e02f3fbba (patch)
- github.com/cakephp/cakephp/commit/bbba5ed06d5cea7e78333b01e65557cff7a28306 (patch)
- github.com/cakephp/cakephp/commit/819b45cbcc5ba864568cb57f62e4fde650b41161 (patch)
- github.com/cakephp/cakephp/pull/19702 (issue-tracking, patch)
- github.com/cakephp/cakephp/blob/6f3dd91371ac0698b64024ddb21d57def9fbba91/src/Ht… (technical-description)
- github.com/cakephp/cakephp/blob/6f3dd91371ac0698b64024ddb21d57def9fbba91/src/Ht… (technical-description)
- abraxaslabs.tech/research/cakephp-cookie-suffix (third-party-advisory)
- github.com/cakephp/cakephp (product)
- www.vulncheck.com/advisories/cakephp-through-5.4.3-cookie-leakage-via-http-clie… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-119416?
- CVE-2026-119416 is a medium-severity vulnerability in Cakephp, classified under Origin Validation Error. CVSS score: 4.8/10. Published 2026-10-30.
- How severe is CVE-2026-119416?
- Medium severity. CVSS v3 base score is 4.8 out of 10.