Vulnerability 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.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://abraxaslabs.tech/research/cakephp-cookie-suffix
- https://github.com/cakephp/cakephp
- https://github.com/cakephp/cakephp/blob/6f3dd91371ac0698b64024ddb21d57def9fbba91
- https://github.com/cakephp/cakephp/blob/6f3dd91371ac0698b64024ddb21d57def9fbba91
- https://github.com/cakephp/cakephp/commit/01753266738606bc0e48e61e44a6e252f11386
- https://github.com/cakephp/cakephp/commit/5d9d01a91f0e678d857a94115de12c3e02f3fb
- https://github.com/cakephp/cakephp/commit/819b45cbcc5ba864568cb57f62e4fde650b411
- https://github.com/cakephp/cakephp/commit/bbba5ed06d5cea7e78333b01e65557cff7a283
- https://github.com/cakephp/cakephp/pull/19702
- https://www.vulncheck.com/advisories/cakephp-through-5.4.3-cookie-leakage-via-ht
FAQ
What is CVE-2026-119416?
CVE-2026-119416 is a vulnerability with a CVSS score of 4.8 (MEDIUM). 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 s...
How severe is CVE-2026-119416?
CVE-2026-119416 has been rated MEDIUM with a CVSS base score of 4.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-119416?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.