PT-2026-81053 · Cakephp · Cakephp/Authentication

CVE-2026-77337

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Published

2026-08-24

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Updated

2026-08-25

CVSS v4.0

9.1

Critical

VectorAV:N/AC:L/AT:P/PR:N/UI:N/VC:H/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
Name of the Vulnerable Software and Affected Versions CakePHP Authentication versions prior to 2.11.2 CakePHP Authentication versions 3.0.0 through 3.3.6 CakePHP Authentication versions 4.0.0 through 4.2.0
Description An authentication bypass and potential CPU or memory exhaustion can occur when the CookieAuthenticator uses unencrypted, forgeable legacy tokens. This allows an attacker to bypass authentication mechanisms or cause resource exhaustion on the server.
Recommendations Update to version 2.11.2. Update to version 3.3.7. Update to version 4.2.1.

Exploit

Fix

Allocation of Resources Without Limits

Authentication Bypass by Spoofing

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Weakness Enumeration

Related Identifiers

CVE-2026-77337
GHSA-H7XH-9H2X-2M37

Affected Products

Cakephp/Authentication