Home/CWE/Authentication Bypass Using an Alternate Path or Channel
Weakness

Authentication Bypass Using an Alternate Path or Channel

CWE-288 · Base · Incomplete

The product requires authentication, but the product has an alternate path or channel that does not require authentication.

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Weakness Relationships

Where this weakness sits in the CWE hierarchy. Walk up to broader classes or down to more specific variants.
Parent of this (broader)
ChildOfCWE-284 · Improper Access Control
ChildOfCWE-306 · Missing Authentication for Critical Function
Children (more specific)
ParentOfCWE-1299 · Missing Protection Mechanism for Alternate Hardware Interface
ParentOfCWE-425 · Direct Request ('Forced Browsing')
Related
PeerOfCWE-420 · Unprotected Alternate Channel
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Attack Patterns (CAPEC)

2
How adversaries exploit this weakness, per MITRE CAPEC.
CAPEC-127Directory Indexing
CAPEC-665Exploitation of Thunderbolt Protection Flaws
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CVEs With This Weakness

534
A sample of the 534 CVEs tagged with this weakness.
CVECVE-2026-8321
CVECVE-2026-7567
CVECVE-2026-7458
CVECVE-2026-6771
CVECVE-2026-6768
CVECVE-2026-6760
CVECVE-2026-5557
CVECVE-2026-4700
CVECVE-2026-4524
CVECVE-2026-45109
CVECVE-2026-44575
CVECVE-2026-44574
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Nuclei Scanner Templates

30
Open-source Nuclei templates that detect this weakness class - an actionable scan-for-it pivot. Licensed under the ProjectDiscovery / Nuclei terms.
criticalWatchGuard Fireware AD Helper Component - Credentials Disclosure
criticalHuawei Router - Authentication Bypass
criticalEmail Verification for WooCommerce < 1.8.2 - Loose Comparison to Authentication Bypass
criticalJupyter Lab - Unauthenticated Access
criticalPlastic Admin Console - Authentication Bypass
criticalJupyter ipython - Authorization Bypass
criticalIvanti Endpoint Manager Mobile - Unauthenticated Remote Code Execution
criticalVersa Concerto Actuator Endpoint - Authentication Bypass
criticalElber ESE DVB-S/S2 - Authentication Bypass
criticalCisco Secure Firewall Management Center - Authentication Bypass
criticalSolarWinds Orion API - Auth Bypass
criticalHPE Smart Update Manager < 8.5.6 - Remote Unauthorized Access
criticalMStore API <= 3.9.2 - Authentication Bypass
criticalF5 BIG-IP - Unauthenticated RCE via AJP Smuggling
criticalMiniorange Social Login and Register <= 7.6.3 - Authentication Bypass
criticalJetBrains TeamCity < 2023.05.4 - Remote Code Execution
criticalWordPress Stacks Mobile App Builder <=5.2.3 - Authentication Bypass
criticalApache Pinot < 1.3.0 - Authentication Bypass
criticalReally Simple Security < 9.1.2 - Authentication Bypass
criticalCodeChecker <= 6.24.1 - Authentication Bypass
criticalCrypto <= 2.15 - Authentication Bypass
criticalFortinet - Authentication Bypass
criticalTeamCity < 2023.11.4 - Authentication Bypass
criticalConnectWise ScreenConnect 23.9.7 - Authentication Bypass
criticalJetBrains TeamCity > 2023.11.3 - Authentication Bypass
highTRUfusion Enterprise <= 7.10.4.0 - Admin Contact Portal
highIvanti Endpoint Manager - Authentication Bypass
highNETGEAR - Authentication Bypass
mediumMasteriyo LMS <= 1.7.3 - Insecure Direct Object Reference
mediumScoold < 1.64.0 - Authentication Bypass
External lookups - second-class, for what we don’t hold ourselves
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