Common Weakness Enumeration

CWE-288

Allowed

Authentication Bypass Using an Alternate Path or Channel

Abstraction: Base · Status: Incomplete

API response cwe.mitre.org

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

1278 vulnerabilities reference this CWE, most recent first.

CVE-2026-84777 (GCVE-0-2026-84777)

Vulnerability from cvelistv5 – Published: 2026-09-03 16:31 – Updated: 2026-09-03 17:27
VLAI
Title
WordPress Really Simple SSL plugin <= 9.8.0 - 2FA Bypass vulnerability
Summary
Unauthenticated Broken Authentication in Really Simple SSL <= 9.8.0 versions.
Severity
7.4 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-03 17:27 UTC
CWE
  • CWE-288 - Authentication Bypass Using an Alternate Path or Channel
Assigner
Patchstack CNA under the mitre root
CNA scorecard C 75/100 over 2938 records in the last 180 days details
References
Impacted products
Vendor Product Version
Really Simple Plugins Really Simple SSL Affected: n/a , ≤ 9.8.0 (custom)
Create a notification for this product.
Credits
Ananda Dhakal (Patchstack) | Patchstack Bug Bounty Program
Show details on NVD website
To clipboard 

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CVE-2026-84360 (GCVE-0-2026-84360)

Vulnerability from cvelistv5 – Published: 2026-10-12 21:08 – Updated: 2026-10-13 14:00
VLAI
Title
Nginx UI: OTP secure-session step-up can be bypassed via MCP configuration tools
Summary
Nginx UI is a web user interface for the Nginx web server. Prior to 2.4.1, the HTTP configuration mutation routes require RequireSecureSession, but /mcp and /mcp_message require only ordinary authentication before exposing nginx_config_add and nginx_config_modify. An OTP-enabled user with a normal JWT but no valid X-Secure-Session-ID can therefore create or modify Nginx configuration and trigger reload behavior through MCP, bypassing the intended step-up control. This issue is fixed in version 2.4.1.
Severity
8.1 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 14:00 UTC
CWE
  • CWE-288 - Authentication Bypass Using an Alternate Path or Channel
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 7610 records in the last 180 days details
References
Impacted products
Vendor Product Version
0xJacky nginx-ui Affected: < 2.4.1
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-83787 (GCVE-0-2026-83787)

Vulnerability from cvelistv5 – Published: 2026-10-13 18:59 – Updated: 2026-10-16 23:16
VLAI
Title
Windows DHCP Server Security Feature Bypass Vulnerability
Summary
Insufficient verification of data authenticity in Windows DHCP Server allows an authorized attacker to bypass a security feature locally.
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-14 16:29 UTC
CWE
  • CWE-288 - Authentication Bypass Using an Alternate Path or Channel
Assigner
microsoft CNA under the mitre root
CNA scorecard B 82/100 over 3956 records in the last 180 days details
References
Impacted products
Vendor Product Version
Microsoft Windows 10 Version 1607 Affected: 10.0.14393.0 , < 10.0.14393.9612 (custom)
Create a notification for this product.
Microsoft Windows 10 Version 1809 Affected: 10.0.17763.0 , < 10.0.17763.9376 (custom)
Create a notification for this product.
Microsoft Windows Server 2012 Affected: 6.2.9200.0 , < 6.2.9200.26434 (custom)
Create a notification for this product.
Microsoft Windows Server 2012 (Server Core installation) Affected: 6.2.9200.0 , < 6.2.9200.26434 (custom)
Create a notification for this product.
Microsoft Windows Server 2012 R2 Affected: 6.3.9600.0 , < 6.3.9600.23470 (custom)
Create a notification for this product.
Microsoft Windows Server 2012 R2 (Server Core installation) Affected: 6.3.9600.0 , < 6.3.9600.23470 (custom)
Create a notification for this product.
Microsoft Windows Server 2016 Affected: 10.0.14393.0 , < 10.0.14393.9612 (custom)
Create a notification for this product.
Microsoft Windows Server 2016 (Server Core installation) Affected: 10.0.14393.0 , < 10.0.14393.9612 (custom)
Create a notification for this product.
Microsoft Windows Server 2019 Affected: 10.0.17763.0 , < 10.0.17763.9376 (custom)
Create a notification for this product.
Microsoft Windows Server 2019 (Server Core installation) Affected: 10.0.17763.0 , < 10.0.17763.9376 (custom)
Create a notification for this product.
Microsoft Windows Server 2022 Affected: 10.0.20348.0 , < 10.0.20348.5761 (custom)
Create a notification for this product.
Microsoft Windows Server 2025 Affected: 10.0.26100.0 , < 10.0.26100.33650 (custom)
Create a notification for this product.
Microsoft Windows Server 2025 (Server Core installation) Affected: 10.0.26100.0 , < 10.0.26100.33650 (custom)
Create a notification for this product.
Date Public
2026-10-13 14:00
Show details on NVD website
To clipboard 

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CVE-2026-83527 (GCVE-0-2026-83527)

Vulnerability from cvelistv5 – Published: 2026-09-08 14:36 – Updated: 2026-09-09 04:26
VLAI
Summary
An Authentication Bypass vulnerability in Sentry before R10.8.2, R10.7.3 and R10.6.4 allows a remote unauthenticated attacker to gain administrative level access.
Severity
8.1 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-08 00:00 UTC
CWE
  • CWE-288 - Authentication bypass using an alternate path or channel
Assigner
ivanti CNA under the mitre root
CNA scorecard C 63/100 over 39 records in the last 180 days details
References
Impacted products
Vendor Product Version
Ivanti Sentry Unaffected: R10.8.2 (custom)
Unaffected: R10.7.3 (custom)
Unaffected: R10.6.4 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-82269 (GCVE-0-2026-82269)

Vulnerability from cvelistv5 – Published: 2026-08-28 16:18 – Updated: 2026-09-24 14:20
VLAI
Title
Gophish Account Lockout and Forced Password Change Bypassable via API Key
Summary
Gophish through 0.12.1 fails to enforce account lockout and password change requirements in the API authentication middleware. Attackers with valid API keys can bypass these security controls and retain full API access even when their account is locked or password change is required.
Severity
8.6 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
8.1 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-28 20:29 UTC
CWE
  • CWE-288 - Authentication Bypass Using an Alternate Path or Channel
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 6430 records in the last 180 days details
References
Impacted products
Vendor Product Version
gophish gophish Affected: 0 , ≤ 0.12.1 (semver)
    cpe:2.3:a:getgophish:gophish:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-07-02 00:00
Credits
George Chen
Show details on NVD website
To clipboard 

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CVE-2026-82225 (GCVE-0-2026-82225)

Vulnerability from cvelistv5 – Published: 2026-08-31 20:30 – Updated: 2026-09-01 14:58
VLAI
Title
WordPress RegistrationMagic plugin <= 6.0.9.8 - Broken Authentication vulnerability
Summary
Unauthenticated Broken Authentication in RegistrationMagic <= 6.0.9.8 versions.
Severity
7.4 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-01 14:33 UTC
CWE
  • CWE-288 - Authentication Bypass Using an Alternate Path or Channel
Assigner
Patchstack CNA under the mitre root
CNA scorecard C 75/100 over 2938 records in the last 180 days details
References
Impacted products
Vendor Product Version
Metagauss RegistrationMagic Affected: n/a , ≤ 6.0.9.8 (custom)
Create a notification for this product.
Credits
Emiliano Carrizo | Patchstack Bug Bounty Program
Show details on NVD website
To clipboard 

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CVE-2026-81906 (GCVE-0-2026-81906)

Vulnerability from cvelistv5 – Published: 2026-09-10 23:20 – Updated: 2026-09-11 14:27
VLAI
Title
[UNREVIEWED] OAuth Callback Login Bypasses Deactivated-Account Checks
Summary
Concrete CMS OAuth callback login path prior to version 9.5.3 did not check whether an account was active or email-validated before establishing a session. A deactivated or unvalidated user with an existing OAuth binding could complete authentication and receive a session that was fully authenticated for the callback response, with the login recorded and login events dispatched. The Concrete CMS security team gave this vulnerability a CVSS v4.0 score of 6.3 with vector CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N. Thanks Yonatan Drori from Tenzai for reporting.
Severity
6.3 (Medium)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-11 14:26 UTC
CWE
  • CWE-288 - Authentication bypass using an alternate path or channel
Assigner
ConcreteCMS CNA under the mitre root
CNA scorecard B 84/100 over 111 records in the last 180 days details
References
Impacted products
Vendor Product Version
Concrete CMS Concrete CMS Affected: 5.0.0 , ≤ 9.5.2 (git)
Create a notification for this product.
Credits
tenzai
Show details on NVD website
To clipboard 

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CVE-2026-81868 (GCVE-0-2026-81868)

Vulnerability from cvelistv5 – Published: 2026-09-17 15:36 – Updated: 2026-09-23 18:46
VLAI
Title
Steeltoe: Header-forwarded client cert lacks proof of private-key possession
Summary
Steeltoe is an open source project that provides a collection of libraries that helps users build cloud-native applications. Prior to 4.3.0, Steeltoe.Security.Authorization.Certificate deployments using AddOrgAndSpacePolicies() and UseCertificateAuthorization() trust the public certificate supplied in the X-Client-Cert request header without proving possession of the corresponding private key. Common Cloud Foundry routers do not remove this header from inbound requests. When inbound requests are not restricted to a known trusted proxy source IP, an attacker who obtains the public certificate of an application instance in the target organization or space and can reach the application can spoof X-Client-Cert to bypass the SameOrg and SameSpace policies for the certificate validity period. This issue is fixed in version 4.3.0.
Severity
6.5 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-23 18:32 UTC
CWE
  • CWE-288 - Authentication Bypass Using an Alternate Path or Channel
  • CWE-295 - Improper Certificate Validation
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 7610 records in the last 180 days details
References
Impacted products
Show details on NVD website
To clipboard 

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CVE-2026-81796 (GCVE-0-2026-81796)

Vulnerability from cvelistv5 – Published: 2026-09-10 14:23 – Updated: 2026-09-21 10:58 X_Open Source
VLAI
Title
WordPress WP Travel plugin <= 12.0.3 - Broken Authentication vulnerability
Summary
Authentication Bypass Using an Alternate Path or Channel vulnerability in WEN Solutions WP Travel wp-travel allows Password Recovery Exploitation.This issue affects WP Travel: from n/a through 12.0.3.
Severity
7.3 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-10 20:36 UTC
CWE
  • CWE-288 - Authentication Bypass Using an Alternate Path or Channel
Assigner
Patchstack CNA under the mitre root
CNA scorecard C 75/100 over 2938 records in the last 180 days details
References
Impacted products
Vendor Product Version
WEN Solutions WP Travel Affected: 0 , ≤ 12.0.3 (custom)
Create a notification for this product.
Date Public
2026-09-08 12:08
Credits
Cid_Kagenou_Sama | Patchstack Bug Bounty Program
Show details on NVD website
To clipboard 

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CVE-2026-81787 (GCVE-0-2026-81787)

Vulnerability from cvelistv5 – Published: 2026-09-10 14:23 – Updated: 2026-09-10 17:47
VLAI
Title
WordPress IMPress for IDX Broker plugin <= 3.3.0 - Broken Authentication vulnerability
Summary
Unauthenticated Broken Authentication in IMPress for IDX Broker <= 3.3.0 versions.
Severity
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-10 17:46 UTC
CWE
  • CWE-288 - Authentication Bypass Using an Alternate Path or Channel
Assigner
Patchstack CNA under the mitre root
CNA scorecard C 75/100 over 2938 records in the last 180 days details
References
Impacted products
Vendor Product Version
IDX Broker IMPress for IDX Broker Affected: n/a , ≤ 3.3.0 (custom)
Create a notification for this product.
Credits
HaiND | Patchstack Bug Bounty Program
Show details on NVD website
To clipboard 

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  },
  "cveMetadata": {
    "assignerOrgId": "21595511-bba5-4825-b968-b78d1f9984a3",
    "assignerShortName": "Patchstack",
    "cveId": "CVE-2026-81787",
    "datePublished": "2026-09-10T14:23:42.088Z",
    "dateReserved": "2026-08-27T12:24:31.287Z",
    "dateUpdated": "2026-09-10T17:47:18.318Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}
Mitigation
Architecture and Design

Funnel all access through a single choke point to simplify how users can access a resource. For every access, perform a check to determine if the user has permissions to access the resource.

CAPEC-127: Directory Indexing

An adversary crafts a request to a target that results in the target listing/indexing the content of a directory as output. One common method of triggering directory contents as output is to construct a request containing a path that terminates in a directory name rather than a file name since many applications are configured to provide a list of the directory's contents when such a request is received. An adversary can use this to explore the directory tree on a target as well as learn the names of files. This can often end up revealing test files, backup files, temporary files, hidden files, configuration files, user accounts, script contents, as well as naming conventions, all of which can be used by an attacker to mount additional attacks.

CAPEC-665: Exploitation of Thunderbolt Protection Flaws

An adversary leverages a firmware weakness within the Thunderbolt protocol, on a computing device to manipulate Thunderbolt controller firmware in order to exploit vulnerabilities in the implementation of authorization and verification schemes within Thunderbolt protection mechanisms. Upon gaining physical access to a target device, the adversary conducts high-level firmware manipulation of the victim Thunderbolt controller SPI (Serial Peripheral Interface) flash, through the use of a SPI Programing device and an external Thunderbolt device, typically as the target device is booting up. If successful, this allows the adversary to modify memory, subvert authentication mechanisms, spoof identities and content, and extract data and memory from the target device. Currently 7 major vulnerabilities exist within Thunderbolt protocol with 9 attack vectors as noted in the Execution Flow.

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