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Back to active CVEs
Critical · CVSS 9.1CVE-2026-77337

CakePHP: Potential Authentication bypass with CookieAuthenticatorCVE-2026-77337

Answer in brief

CVE-2026-77337 records a Critical severity (CVSS 9.1) vulnerability in CakePHP: Potential Authentication bypass with CookieAuthenticator. The current sources do not mark it as known exploited. The current feed maps cakephp/authentication (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Aug 24, 2026Updated Sep 9, 2026Source checked Oct 9, 2026First seen by HOL Aug 24, 2026Material review Sep 9, 2026
Upstream Advisory

Key facts

Risk
Critical · CVSS 9.1
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

CVSS is 9.1. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps cakephp/authentication (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
cakephp/authenticationgeneric<2.11.2 || >=3.0.0 <3.3.7 || >=4.0.0 <4.2.12.11.2, 3.3.7, 4.2.1

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for cakephp/authentication.
  2. 2Review the reported fix. Update cakephp/authentication to 2.11.2 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Aug 24, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Sep 9, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Aug 24, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
Upstream source description

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.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • Lack of limit on size of parsed Range headers in net/httpAlso CWE-770
  • Ops Manager Uncontrolled Resource Consumption in Monitoring EndpointsAlso CWE-770
  • Memory limit bypass when parsing MIME headers in net/textproto, mime/multipartAlso CWE-770
  • Unauthenticated JSON API Authorization Bypass Vulnerability in TP-Link Tapo C325WBSame generic ecosystem
  • Unauthenticated RTSP Tunnel Denial-of-Service Vulnerability in TP-Link Tapo C325WBSame generic ecosystem
  • Predictable Media Stream Pre-Shared Key Vulnerability in TP-Link Tapo C325WBSame generic ecosystem

Record context

Vulnerability class
Missing Auth
EPSS
Not reported
CWE IDs
CWE-290, CWE-770
Source
CVE List V5
Source checked
Oct 9, 2026
References
4 linked sources
Open source record