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CWE-288
Authentication Bypass Using an Alternate Path or Channel
The product requires authentication, but the product has an alternate path or channel that does not require authentication.
CVE-2026-33843 (GCVE-0-2026-33843)
Vulnerability from cvelistv5 – Published: 2026-05-22 22:03 – Updated: 2026-06-19 16:11 Exclusively Hosted Service
VLAI
Title
Microsoft Azure Active Directory B2C Elevation of Privilege Vulnerability
Summary
Authentication bypass using an alternate path or channel in Microsoft Azure Active Directory B2C allows an unauthorized attacker to elevate privileges over a network.
Severity
9.1 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-288 - Authentication Bypass Using an Alternate Path or Channel
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerabi… | vendor-advisorypatch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Microsoft | Microsoft Entra |
Affected:
-
|
Date Public
2026-05-21 14:00
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CVE-2026-33950 (GCVE-0-2026-33950)
Vulnerability from cvelistv5 – Published: 2026-04-02 16:08 – Updated: 2026-04-03 18:02
VLAI
Title
signalk-server: Privilege Escalation by Admin Role Injection via /enableSecurity
Summary
Signal K Server is a server application that runs on a central hub in a boat. Prior to version 2.24.0-beta.4, there is a privilege escalation vulnerability by Admin Role Injection via /enableSecurity. An unauthenticated attacker can gain full Administrator access to the SignalK server at any time, allowing them to modify sensitive vessel routing data, alter server configurations, and access restricted endpoints. This issue has been patched in version 2.24.0-beta.4.
Severity
9.4 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/SignalK/signalk-server/securit… | x_refsource_CONFIRM |
| https://github.com/SignalK/signalk-server/release… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| SignalK | signalk-server |
Affected:
< 2.24.0-beta.4
|
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CVE-2026-34040 (GCVE-0-2026-34040)
Vulnerability from cvelistv5 – Published: 2026-03-31 01:36 – Updated: 2026-04-02 03:55
VLAI
Title
Moby: AuthZ plugin bypass with oversized request body
Summary
Moby is an open source container framework. Prior to version 29.3.1, a security vulnerability has been detected that allows attackers to bypass authorization plugins (AuthZ). This issue has been patched in version 29.3.1.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-288 - Authentication Bypass Using an Alternate Path or Channel
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/moby/moby/security/advisories/… | x_refsource_CONFIRM |
| https://github.com/moby/moby/releases/tag/docker-… | x_refsource_MISC |
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CVE-2026-34372 (GCVE-0-2026-34372)
Vulnerability from cvelistv5 – Published: 2026-03-31 20:19 – Updated: 2026-03-31 20:29
VLAI
Title
Sulu checks fix permissions for subentities endpoints
Summary
Sulu is an open-source PHP content management system based on the Symfony framework. From versions 1.0.0 to before 2.6.22, and 3.0.0 to before 3.0.5, a user which has permission for the Sulu Admin via at least one role could have access to the sub-entities of contacts via the admin API without even have permission for contacts. This issue has been patched in versions 2.6.22 and 3.0.5.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-288 - Authentication Bypass Using an Alternate Path or Channel
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/sulu/sulu/security/advisories/… | x_refsource_CONFIRM |
| https://github.com/sulu/sulu/releases/tag/2.6.22 | x_refsource_MISC |
| https://github.com/sulu/sulu/releases/tag/3.0.5 | x_refsource_MISC |
Impacted products
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CVE-2026-34581 (GCVE-0-2026-34581)
Vulnerability from cvelistv5 – Published: 2026-04-02 18:04 – Updated: 2026-04-03 17:01
VLAI
Title
goshs has Auth Bypass via Share Token
Summary
goshs is a SimpleHTTPServer written in Go. From version 1.1.0 to before version 2.0.0-beta.2, when using the Share Token it is possible to bypass the limited selected file download with all the gosh functionalities, including code exec. This issue has been patched in version 2.0.0-beta.2.
Severity
8.1 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-288 - Authentication Bypass Using an Alternate Path or Channel
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/patrickhener/goshs/security/ad… | x_refsource_CONFIRM |
| https://github.com/patrickhener/goshs/commit/6fb2… | x_refsource_MISC |
| https://github.com/patrickhener/goshs/releases/ta… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| patrickhener | goshs |
Affected:
>= 1.1.0, < 2.0.0-beta.2
|
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"name": "https://github.com/patrickhener/goshs/security/advisories/GHSA-jgfx-74g2-9r6g",
"tags": [
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"url": "https://github.com/patrickhener/goshs/security/advisories/GHSA-jgfx-74g2-9r6g"
},
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CVE-2026-3461 (GCVE-0-2026-3461)
Vulnerability from cvelistv5 – Published: 2026-04-15 08:28 – Updated: 2026-04-15 15:50
VLAI
Title
Visa Acceptance Solutions <= 2.1.0 - Unauthenticated Authentication Bypass via Billing Email
Summary
The Visa Acceptance Solutions plugin for WordPress is vulnerable to Authentication Bypass in all versions up to, and including, 2.1.0. This is due to the `express_pay_product_page_pay_for_order()` function logging users in based solely on a user-supplied billing email address during guest checkout for subscription products, without verifying email ownership, requiring a password, or validating a one-time token. This makes it possible for unauthenticated attackers to log in as any existing user, including administrators, by providing the target user's email address in the billing_details parameter, resulting in complete account takeover and site compromise.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-288 - Authentication Bypass Using an Alternate Path or Channel
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| visaacceptancesolutions | Visa Acceptance Solutions |
Affected:
0 , ≤ 2.1.0
(semver)
|
Credits
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CVE-2026-35087 (GCVE-0-2026-35087)
Vulnerability from cvelistv5 – Published: 2026-05-27 12:42 – Updated: 2026-05-27 15:39
VLAI
Title
Authentication Bypass in Slican telephone exchanges
Summary
Slican telephone exchanges allow administrative protocol authentication bypass. An attacker can bypass the need to enter login credentials by executing the appropriate command.
This issue was fixed in versions below:
- NCP: version 1.24.0250
- IPx series: version 6.61.0040
- CCT-1668: version 6.56.0430
- MAC-6400: version 6.56.0430
- CXS-0424: version 6.30.0510
The issue STILL EXISTS in End-Of-Life telephone exchanges in versions 4.xx and below:
- CCT-1668 (CCT1CPU)
- MAC-6400
- CXS-0424
These products were discontinued in 2011 and 2012 and and will not receive updates. These products require a hardware update in order to receive a software update. The vendor recommends that users of these devices contact the their service department directly to determine the options for upgrading.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-288 - Authentication Bypass Using an Alternate Path or Channel
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://cert.pl/posts/2026/05/CVE-2026-35087 | third-party-advisory |
Impacted products
Date Public
2026-05-27 12:41
Credits
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CVE-2026-35090 (GCVE-0-2026-35090)
Vulnerability from cvelistv5 – Published: 2026-05-27 12:42 – Updated: 2026-05-27 15:29
VLAI
Title
Authentication Bypass in Slican telephone exchanges
Summary
In Slican telephone exchanges it is possible to manage the control panel remotely. An unauthenticated attacker can connect to the modem via a telephone with a specific caller ID. This allows them to bypass admin authentication and gain full access to the service protocol and configuration panel. This vulnerability is independent of the telephone exchanges configuration. If remote access is disabled, calling with this caller ID will temporarily enable it.
This issue was fixed in versions below:
- IPL-256: version 6.61.0040
- IPM-032: version 6.61.0040
- CCT-1668: version 6.56.0430
- MAC-6400: version 6.56.0430
- CXS-0424: version 6.30.0510
The issue STILL EXISTS in End-Of-Life telephone exchanges in versions 4.xx and below:
- CCT-1668 (CCT1CPU)
- MAC-6400
- CXS-0424
These products were discontinued in 2011 and 2012 and and will not receive updates. These products require a hardware update in order to receive a software update. The vendor recommends that users of these devices contact the their service department directly to determine the options for upgrading.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-288 - Authentication Bypass Using an Alternate Path or Channel
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://cert.pl/posts/2026/05/CVE-2026-35087 | third-party-advisory |
Impacted products
Date Public
2026-05-27 12:42
Credits
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CVE-2026-3531 (GCVE-0-2026-3531)
Vulnerability from cvelistv5 – Published: 2026-03-26 20:03 – Updated: 2026-03-30 14:54
VLAI
Title
OpenID Connect / OAuth client - Moderately critical - Access bypass - SA-CONTRIB-2026-026
Summary
Authentication Bypass Using an Alternate Path or Channel vulnerability in Drupal OpenID Connect / OAuth client allows Authentication Bypass.This issue affects OpenID Connect / OAuth client: from 0.0.0 before 1.5.0.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-288 - Authentication Bypass Using an Alternate Path or Channel
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Drupal | OpenID Connect / OAuth client |
Affected:
0.0.0 , < 1.5.0
(semver)
|
Date Public
2026-03-04 18:02
Credits
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CVE-2026-35422 (GCVE-0-2026-35422)
Vulnerability from cvelistv5 – Published: 2026-05-12 16:58 – Updated: 2026-06-19 16:12
VLAI
Title
Windows TCP/IP Driver Security Feature Bypass Vulnerability
Summary
Authentication bypass using an alternate path or channel in Windows TCP/IP allows an authorized attacker to bypass a security feature over a network.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-288 - Authentication Bypass Using an Alternate Path or Channel
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerabi… | vendor-advisorypatch |
Impacted products
21 products
| Vendor | Product | Version | |
|---|---|---|---|
| Microsoft | Windows 10 Version 1607 |
Affected:
10.0.14393.0 , < 10.0.14393.9140
(custom)
|
|
| Microsoft | Windows 10 Version 1809 |
Affected:
10.0.17763.0 , < 10.0.17763.8755
(custom)
|
|
| Microsoft | Windows 10 Version 21H2 |
Affected:
10.0.19044.0 , < 10.0.19044.7291
(custom)
|
|
| Microsoft | Windows 10 Version 22H2 |
Affected:
10.0.19045.0 , < 10.0.19045.7417
(custom)
|
|
| Microsoft | Windows 11 version 23H2 |
Affected:
10.0.22631.0 , < 10.0.22631.7079
(custom)
|
|
| Microsoft | Windows 11 Version 23H2 |
Affected:
10.0.22631.0 , < 10.0.22631.7219
(custom)
|
|
| Microsoft | Windows 11 Version 24H2 |
Affected:
10.0.26100.0 , < 10.0.26100.8457
(custom)
|
|
| Microsoft | Windows 11 Version 25H2 |
Affected:
10.0.26200.0 , < 10.0.26200.8457
(custom)
|
|
| Microsoft | Windows 11 version 26H1 |
Affected:
10.0.28000.0 , < 10.0.28000.2113
(custom)
|
|
| Microsoft | Windows Server 2012 |
Affected:
6.2.9200.0 , < 6.2.9200.26079
(custom)
|
|
| Microsoft | Windows Server 2012 (Server Core installation) |
Affected:
6.2.9200.0 , < 6.2.9200.26079
(custom)
|
|
| Microsoft | Windows Server 2012 R2 |
Affected:
6.3.9600.0 , < 6.3.9600.23181
(custom)
|
|
| Microsoft | Windows Server 2012 R2 (Server Core installation) |
Affected:
6.3.9600.0 , < 6.3.9600.23181
(custom)
|
|
| Microsoft | Windows Server 2016 |
Affected:
10.0.14393.0 , < 10.0.14393.9140
(custom)
|
|
| Microsoft | Windows Server 2016 (Server Core installation) |
Affected:
10.0.14393.0 , < 10.0.14393.9140
(custom)
|
|
| Microsoft | Windows Server 2019 |
Affected:
10.0.17763.0 , < 10.0.17763.8755
(custom)
|
|
| Microsoft | Windows Server 2019 (Server Core installation) |
Affected:
10.0.17763.0 , < 10.0.17763.8755
(custom)
|
|
| Microsoft | Windows Server 2022 |
Affected:
10.0.20348.0 , < 10.0.20348.5139
(custom)
|
|
| Microsoft | Windows Server 2022, 23H2 Edition (Server Core installation) |
Affected:
10.0.25398.0 , < 10.0.25398.2330
(custom)
|
|
| Microsoft | Windows Server 2025 |
Affected:
10.0.26100.0 , < 10.0.26100.32860
(custom)
|
|
| Microsoft | Windows Server 2025 (Server Core installation) |
Affected:
10.0.26100.0 , < 10.0.26100.32860
(custom)
|
Date Public
2026-05-12 14:00
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"vulnerable": true
},
{
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}
],
"negate": false,
"operator": "OR"
}
]
}
],
"datePublic": "2026-05-12T14:00:00.000Z",
"descriptions": [
{
"lang": "en-US",
"value": "Authentication bypass using an alternate path or channel in Windows TCP/IP allows an authorized attacker to bypass a security feature over a network."
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en-US",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-288",
"description": "CWE-288: Authentication Bypass Using an Alternate Path or Channel",
"lang": "en-US",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-06-19T16:12:12.520Z",
"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"shortName": "microsoft"
},
"references": [
{
"name": "Windows TCP/IP Driver Security Feature Bypass Vulnerability",
"tags": [
"vendor-advisory",
"patch"
],
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-35422"
}
],
"title": "Windows TCP/IP Driver Security Feature Bypass Vulnerability"
}
},
"cveMetadata": {
"assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"assignerShortName": "microsoft",
"cveId": "CVE-2026-35422",
"datePublished": "2026-05-12T16:58:32.757Z",
"dateReserved": "2026-04-02T19:21:11.804Z",
"dateUpdated": "2026-06-19T16:12:12.520Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
Mitigation
Phase: Architecture and Design
Description:
- 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.