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    CVE-2026-77337

    CakePHP Authentication is an authentication plugin for CakePHP that can also be used in PSR-7 based applications. Versions before 2.11.2, from 3.0.0 through 3.3.6, and from 4.0.0 through 4.2.0 allow authentication bypass and potential CPU or memory exhaustion when CookieAuthenticator uses unencrypted, forgeable legacy tokens. This issue is fixed in versions 2.11.2, 3.3.7, and 4.2.1.

    Published:Aug 24, 2026
    Last Modified:Aug 25, 2026
    EPS:Aug 24, 2026
    EPSS Score:0.00389
    CVSS Score:9.1

    Affected Products

    Vendor
    Cakephp
    Product
    Authentication

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-125 Flooding
    CAPEC-130 Excessive Allocation
    CAPEC-147 XML Ping of the Death
    CAPEC-197 Exponential Data Expansion
    CAPEC-21 Exploitation of Trusted Identifiers
    CAPEC-22 Exploiting Trust in Client
    CAPEC-229 Serialized Data Parameter Blowup
    CAPEC-230 Serialized Data with Nested Payloads
    CAPEC-231 Oversized Serialized Data Payloads
    CAPEC-459 Creating a Rogue Certification Authority Certificate
    CAPEC-461 Web Services API Signature Forgery Leveraging Hash Function Extension Weakness
    CAPEC-469 HTTP DoS
    CAPEC-473 Signature Spoof
    CAPEC-476 Signature Spoofing by Misrepresentation
    CAPEC-482 TCP Flood
    CAPEC-486 UDP Flood
    CAPEC-487 ICMP Flood
    CAPEC-488 HTTP Flood
    CAPEC-489 SSL Flood
    CAPEC-490 Amplification
    CAPEC-491 Quadratic Data Expansion
    CAPEC-493 SOAP Array Blowup
    CAPEC-494 TCP Fragmentation
    CAPEC-495 UDP Fragmentation
    CAPEC-496 ICMP Fragmentation
    CAPEC-528 XML Flood
    CAPEC-59 Session Credential Falsification through Prediction
    CAPEC-60 Reusing Session IDs (aka Session Replay)
    CAPEC-667 Bluetooth Impersonation AttackS (BIAS)
    CAPEC-94 Adversary in the Middle (AiTM)

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High