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-2026-3461 (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)
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
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
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)
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: 2026-05-26 16:56
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
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 , < 10.0.19045.7291
(custom)
|
|
| Microsoft | Windows 11 version 22H3 |
Affected:
10.0.22631.0 , < 10.0.22631.7079
(custom)
|
|
| Microsoft | Windows 11 Version 23H2 |
Affected:
10.0.22631.0 , < 10.0.22631.7079
(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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CVE-2026-35634 (GCVE-0-2026-35634)
Vulnerability from cvelistv5 – Published: 2026-04-09 21:27 – Updated: 2026-04-10 12:30 X_Open Source
VLAI
Title
OpenClaw < 2026.3.23 - Authentication Bypass via Local-Direct Requests in Canvas Gateway
Summary
OpenClaw before 2026.3.23 contains an authentication bypass vulnerability in the Canvas gateway where authorizeCanvasRequest() unconditionally allows local-direct requests without validating bearer tokens or canvas capabilities. Attackers can send unauthenticated loopback HTTP and WebSocket requests to Canvas routes to bypass authentication and gain unauthorized access.
Severity
5.1 (Medium)
CWE
- CWE-288 - Authentication Bypass Using an Alternate Path or Channel
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/openclaw/openclaw/security/adv… | third-party-advisory |
| https://github.com/openclaw/openclaw/commit/630f1… | patch |
| https://github.com/openclaw/openclaw/commit/d5dc6… | patch |
| https://www.vulncheck.com/advisories/openclaw-aut… | third-party-advisory |
Impacted products
Date Public
2026-03-24 00:00
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CVE-2026-35642 (GCVE-0-2026-35642)
Vulnerability from cvelistv5 – Published: 2026-04-09 21:27 – Updated: 2026-04-13 18:08 X_Open Source
VLAI
Title
OpenClaw < 2026.3.25 - Authorization Bypass in Group Reactions via requireMention Bypass
Summary
OpenClaw before 2026.3.25 contains an authorization bypass vulnerability where group reaction events bypass the requireMention access control mechanism. Attackers can trigger reactions in mention-gated groups to enqueue agent-visible system events that should remain restricted.
Severity
4.3 (Medium)
CWE
- CWE-288 - Authentication Bypass Using an Alternate Path or Channel
Assigner
References
3 references
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|---|---|
| https://github.com/openclaw/openclaw/security/adv… | third-party-advisory |
| https://github.com/openclaw/openclaw/commit/f8c98… | patch |
| https://www.vulncheck.com/advisories/openclaw-aut… | third-party-advisory |
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Date Public
2026-03-26 00:00
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CVE-2026-35647 (GCVE-0-2026-35647)
Vulnerability from cvelistv5 – Published: 2026-04-10 16:03 – Updated: 2026-04-10 17:21 X_Open Source
VLAI
Title
OpenClaw < 2026.3.25 - Direct Message Policy Bypass via Verification Notices
Summary
OpenClaw before 2026.3.25 contains an access control vulnerability where verification notices bypass DM policy checks and reply to unpaired peers. Attackers can send verification notices to users outside allowed direct message policies by exploiting insufficient access validation before message transmission.
Severity
5.3 (Medium)
CWE
- CWE-288 - Authentication Bypass Using an Alternate Path or Channel
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/openclaw/openclaw/security/adv… | third-party-advisory |
| https://github.com/openclaw/openclaw/commit/2383d… | patch |
| https://www.vulncheck.com/advisories/openclaw-dir… | third-party-advisory |
Impacted products
Date Public
2026-03-26 00:00
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CVE-2026-35654 (GCVE-0-2026-35654)
Vulnerability from cvelistv5 – Published: 2026-04-10 16:03 – Updated: 2026-05-25 23:42 X_Open Source
VLAI
Title
OpenClaw < 2026.3.25 - Authorization Bypass in Microsoft Teams Feedback Invoke
Summary
OpenClaw before 2026.3.25 contains an authorization bypass vulnerability in Microsoft Teams feedback invokes that allows unauthorized senders to record session feedback. Attackers can bypass sender allowlist checks via feedback invoke endpoints to trigger unauthorized feedback recording or reflection.
Severity
5.3 (Medium)
CWE
- CWE-288 - Authentication Bypass Using an Alternate Path or Channel
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/openclaw/openclaw/security/adv… | third-party-advisory |
| https://github.com/openclaw/openclaw/commit/c5415… | patch |
| https://www.vulncheck.com/advisories/openclaw-aut… | third-party-advisory |
Impacted products
Date Public
2026-03-26 00:00
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CVE-2026-35661 (GCVE-0-2026-35661)
Vulnerability from cvelistv5 – Published: 2026-04-10 16:03 – Updated: 2026-04-10 20:18 X_Open Source
VLAI
Title
OpenClaw < 2026.3.25 - Telegram DM-Scoped Inline Button Callback Authorization Bypass
Summary
OpenClaw before 2026.3.25 contains an authorization bypass vulnerability in Telegram callback query handling that allows attackers to mutate session state without satisfying normal DM pairing requirements. Remote attackers can exploit weaker callback-only authorization in direct messages to bypass DM pairing and modify session state.
Severity
5.3 (Medium)
CWE
- CWE-288 - Authentication Bypass Using an Alternate Path or Channel
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/openclaw/openclaw/security/adv… | third-party-advisory |
| https://github.com/openclaw/openclaw/commit/26928… | patch |
| https://www.vulncheck.com/advisories/openclaw-tel… | third-party-advisory |
Impacted products
Date Public
2026-03-26 00:00
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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.