Common Weakness Enumeration

CWE-287

Discouraged

Improper Authentication

Abstraction: Class · Status: Draft

When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

2084 vulnerabilities reference this CWE, most recent first.

CVE-2026-123032 (GCVE-0-2026-123032)

Vulnerability from cvelistv5 – Published: 2026-11-05 14:15 – Updated: 2026-11-05 16:26
VLAI
Title
OpenBMB Internet of Agents WebSocket Connection Manager app.py ConnectionManager.connect missing authentication
Summary
A security flaw has been discovered in OpenBMB Internet of Agents up to 9d78e88e47160eb42ee1ee8538c05e1c2c47877a. This affects the function ConnectionManager.connect of the file im_server/app.py of the component WebSocket Connection Manager. The manipulation of the argument agent_name results in missing authentication. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks. This product takes the approach of rolling releases to provide continious delivery. Therefore, version details for affected and updated releases are not available. The project was informed of the problem early through an issue report but has not responded yet.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-05 16:25 UTC
CWE
Assigner
VulDB CNA
References
URL Tags
https://vuldb.com/vuln/431401 vdb-entrytechnical-description
https://vuldb.com/vuln/431401/cti signaturepermissions-required
https://vuldb.com/cve/CVE-2026-123032 third-party-advisory
https://vuldb.com/submit/1033550 third-party-advisory
https://github.com/OpenBMB/IoA/issues/17 exploitissue-tracking
Impacted products
Vendor Product Version
OpenBMB Internet of Agents Affected: 9d78e88e47160eb42ee1ee8538c05e1c2c47877a
    cpe:2.3:a:openbmb:internet_of_agents:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

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CVE-2026-123024 (GCVE-0-2026-123024)

Vulnerability from cvelistv5 – Published: 2026-11-05 13:45 – Updated: 2026-11-05 21:22
VLAI
Title
agentscope-ai AgentScope Agent Service deps.py get_current_user_id missing authentication
Summary
A vulnerability has been found in agentscope-ai AgentScope up to 2.0.11. This impacts the function get_current_user_id of the file src/agentscope/app/deps.py of the component Agent Service. Such manipulation of the argument X-User-ID leads to missing authentication. The attack can be executed remotely. The exploit has been disclosed to the public and may be used. The pull request to fix this issue awaits acceptance.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-05 21:22 UTC
CWE
Assigner
VulDB CNA
Impacted products
Vendor Product Version
agentscope-ai AgentScope Affected: 2.0.0
Affected: 2.0.1
Affected: 2.0.2
Affected: 2.0.3
Affected: 2.0.4
Affected: 2.0.5
Affected: 2.0.6
Affected: 2.0.7
Affected: 2.0.8
Affected: 2.0.9
Affected: 2.0.10
Affected: 2.0.11
    cpe:2.3:a:agentscope-ai:agentscope:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

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CVE-2026-122236 (GCVE-0-2026-122236)

Vulnerability from cvelistv5 – Published: 2026-11-05 03:45 – Updated: 2026-11-05 20:53 X_Open Source
VLAI
Title
OpenHands Landing missing authentication
Summary
A vulnerability has been found in OpenHands up to 1.24.0. This impacts an unknown function of the component Landing Page. Such manipulation leads to missing authentication. The attack must be carried out from within the local network. The exploit has been disclosed to the public and may be used. Upgrading to version 1.25.0 will fix this issue. The name of the patch is c5efa3ae415def0a903c82d2b17b748e663b1995. Upgrading the affected component is recommended.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-05 20:53 UTC
CWE
Assigner
VulDB CNA
Impacted products
Vendor Product Version
n/a OpenHands Affected: 1.0
Affected: 1.1
Affected: 1.2
Affected: 1.3
Affected: 1.4
Affected: 1.5
Affected: 1.6
Affected: 1.7
Affected: 1.8
Affected: 1.9
Affected: 1.10
Affected: 1.11
Affected: 1.12
Affected: 1.13
Affected: 1.14
Affected: 1.15
Affected: 1.16
Affected: 1.17
Affected: 1.18
Affected: 1.19
Affected: 1.20
Affected: 1.21
Affected: 1.22
Affected: 1.23
Affected: 1.24.0
Unaffected: 1.25.0
    cpe:2.3:a:openhands:openhands:*:*:*:*:*:*:*:*
Show details on NVD website

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CVE-2026-121933 (GCVE-0-2026-121933)

Vulnerability from cvelistv5 – Published: 2026-11-04 19:15 – Updated: 2026-11-09 16:52
VLAI
Title
Linksys E5350 Setup Wizard apply.cgi save_settings missing authentication
Summary
A flaw has been found in Linksys E5350 1.0.00.037. This impacts the function save_settings of the file /wizard/apply.cgi of the component Setup Wizard. Executing a manipulation of the argument wizard_router_pwd can lead to missing authentication. The attack may be launched remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
SSVC
Exploitation: poc Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-09 16:52 UTC
CWE
Assigner
VulDB CNA
References
Impacted products
Vendor Product Version
Linksys E5350 Affected: 1.0.00.037
    cpe:2.3:h:linksys:e5350:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

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CVE-2026-121926 (GCVE-0-2026-121926)

Vulnerability from cvelistv5 – Published: 2026-11-04 17:00 – Updated: 2026-11-09 16:36
VLAI
Title
yezhihao jt808-server Web Management API WebMvcConfig.addInterceptors missing authentication
Summary
A vulnerability was detected in yezhihao jt808-server up to a07f68c466b560b97ef41edb8a4966469abdf83e. Affected is the function WebMvcConfig.addInterceptors of the component Web Management API. The manipulation results in missing authentication. The attack may be launched remotely. The exploit is now public and may be used. This product operates on a rolling release basis, ensuring continuous delivery. Consequently, there are no version details for either affected or updated releases. The vendor was contacted early about this disclosure but did not respond in any way.
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-09 16:34 UTC
CWE
Assigner
VulDB CNA
References
URL Tags
https://vuldb.com/vuln/431035 vdb-entrytechnical-description
https://vuldb.com/vuln/431035/cti signaturepermissions-required
https://vuldb.com/cve/CVE-2026-121926 third-party-advisory
https://vuldb.com/submit/1023350 third-party-advisory
https://gist.github.com/janceye26-svg/eddbfcd42bb… exploit
Impacted products
Vendor Product Version
yezhihao jt808-server Affected: a07f68c466b560b97ef41edb8a4966469abdf83e
    cpe:2.3:a:yezhihao:jt808-server:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

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CVE-2026-121639 (GCVE-0-2026-121639)

Vulnerability from cvelistv5 – Published: 2026-11-04 14:44 – Updated: 2026-11-04 18:20
VLAI
Title
WatchGuard AuthPoint Gateway Improper Authentication Allows Unauthenticated Denial of Service
Summary
A Missing Authentication for Critical Function vulnerability in WatchGuard AuthPoint Gateway allows a remote unauthenticated attacker with network access to the AuthPoint Gateway host to disrupt authentication services and delete the local directory synchronization configuration.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-04 16:38 UTC
Assigner
References
Impacted products
Vendor Product Version
WatchGuard AuthPoint Authentication Gateway Affected: 1.0 , < 7.6.0 (semver)
    cpe:2.3:a:watchguard:authpoint_authentication_gateway:*:*:*:*:*:*:*:*
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CVE-2026-121615 (GCVE-0-2026-121615)

Vulnerability from cvelistv5 – Published: 2026-11-04 02:15 – Updated: 2026-11-09 16:22 Unsupported When Assigned
VLAI
Title
Linksys E5600 Login mesh_login.cgi improper authentication
Summary
A vulnerability was determined in Linksys E5600 1.1.0.26. Affected is an unknown function of the file /cgi-bin/mesh_login.cgi of the component Login Handler. Executing a manipulation can lead to improper authentication. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way. This vulnerability only affects products that are no longer supported by the maintainer.
SSVC
Exploitation: poc Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-09 16:22 UTC
CWE
  • CWE-287 - Improper Authentication
Assigner
VulDB CNA
References
Impacted products
Vendor Product Version
Linksys E5600 Affected: 1.1.0.26
    cpe:2.3:o:linksys:e5600_firmware:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

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CVE-2026-121531 (GCVE-0-2026-121531)

Vulnerability from cvelistv5 – Published: 2026-11-03 21:45 – Updated: 2026-11-03 22:39
VLAI
Title
Umami 2FA Policy route.ts single-factor authentication
Summary
A vulnerability has been found in Umami 3.3.x/3.4.0/3.4.1. This affects an unknown part of the file src/app/api/auth/login/route.ts of the component 2FA Policy Handler. The manipulation leads to use of single-factor authentication. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-03 22:38 UTC
CWE
  • CWE-308 - Use of Single-factor Authentication
  • CWE-287 - Improper Authentication
Assigner
VulDB CNA
Impacted products
Vendor Product Version
n/a Umami Affected: 3.3.*
Affected: 3.4.0
Affected: 3.4.1
    cpe:2.3:a:umami:umami:*:*:*:*:*:*:*:*
Show details on NVD website

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CVE-2026-120574 (GCVE-0-2026-120574)

Vulnerability from cvelistv5 – Published: 2026-11-03 04:43 – Updated: 2026-11-03 19:00
VLAI
Title
SureCart – Ecommerce Made Easy For Selling Physical Products, Digital Downloads, Subscriptions, Donations, & Payments <= 4.9.5 - Unauthenticated Account Takeover
Summary
The SureCart plugin for WordPress is vulnerable to unauthenticated account takeover in all versions up to, and including, 4.9.5. The passwordless one-time-code login REST route (VerificationCodeController::verify(), whose permission callback returns true) resolves an attacker-supplied login to any WordPress user, verifies a 6-digit code, and on success calls $user->login() → wp_set_auth_cookie() for a user of any role. In the affected versions this path has no per-account attempt counter, no persistent email/IP lockout or rate limit (the upstream CDN throttle is bypassable via IP rotation), and no restriction preventing high-privilege accounts from being logged in through it. An unauthenticated attacker can trigger a code for any user (including an administrator) via the companion unauthenticated endpoint and brute-force the 6-digit code to obtain an authenticated session as that user, resulting in a full administrator account takeover.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-03 18:59 UTC
CWE
  • CWE-287 - Improper Authentication
Assigner
Wordfence CNA
Credits
Show details on NVD website

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          "url": "https://wordpress.org/plugins/surecart/#developers"
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          "time": "2026-10-30T15:01:50.000Z",
          "value": "Disclosed"
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    "dateReserved": "2026-11-02T16:40:03.103Z",
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CVE-2026-120538 (GCVE-0-2026-120538)

Vulnerability from cvelistv5 – Published: 2026-11-03 04:43 – Updated: 2026-11-08 19:05
VLAI
Title
Easy Digital Downloads <= 3.7.2 - Unauthenticated Authentication Bypass to Administrator Account Takeover via Guest Checkout Email Binding at PayPal Capture
Summary
The Easy Digital Downloads plugin for WordPress is vulnerable to authentication bypass leading to administrator account takeover in all versions up to, and including, 3.7.2. During a PayPal guest checkout, the email address entered in the guest-checkout field is trusted as proof of identity: edd_get_purchase_form_user() binds the new guest order to an existing WordPress user purely on an email-address match, rewriting the order's user_id to that user's ID. The PayPal capture sink PurchaseUser::maybe_log_in_after_capture() then looked the user up by the order email (get_user_by( 'email', $order->email )) and, when $order->user_id equalled that user's ID (which the email-binding step guarantees), issued an authenticated session with wp_set_auth_cookie(). An unauthenticated attacker who starts a guest checkout using an administrator's email address (where that administrator has no existing EDD customer record) and completes the PayPal purchase flow therefore receives an authenticated session as that administrator — a full account takeover. The same sink is reachable through the standard PayPal checkout and the REST UnbrandedCard and Fastlane flows.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-08 18:48 UTC
CWE
  • CWE-287 - Improper Authentication
Assigner
Wordfence CNA
Impacted products
Show details on NVD website

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Mitigation
Architecture and Design

Strategy: Libraries or Frameworks

Use an authentication framework or library such as the OWASP ESAPI Authentication feature.

CAPEC-114: Authentication Abuse

An attacker obtains unauthorized access to an application, service or device either through knowledge of the inherent weaknesses of an authentication mechanism, or by exploiting a flaw in the authentication scheme's implementation. In such an attack an authentication mechanism is functioning but a carefully controlled sequence of events causes the mechanism to grant access to the attacker.

CAPEC-115: Authentication Bypass

An attacker gains access to application, service, or device with the privileges of an authorized or privileged user by evading or circumventing an authentication mechanism. The attacker is therefore able to access protected data without authentication ever having taken place.

CAPEC-151: Identity Spoofing

Identity Spoofing refers to the action of assuming (i.e., taking on) the identity of some other entity (human or non-human) and then using that identity to accomplish a goal. An adversary may craft messages that appear to come from a different principle or use stolen / spoofed authentication credentials.

CAPEC-194: Fake the Source of Data

An adversary takes advantage of improper authentication to provide data or services under a falsified identity. The purpose of using the falsified identity may be to prevent traceability of the provided data or to assume the rights granted to another individual. One of the simplest forms of this attack would be the creation of an email message with a modified "From" field in order to appear that the message was sent from someone other than the actual sender. The root of the attack (in this case the email system) fails to properly authenticate the source and this results in the reader incorrectly performing the instructed action. Results of the attack vary depending on the details of the attack, but common results include privilege escalation, obfuscation of other attacks, and data corruption/manipulation.

CAPEC-22: Exploiting Trust in Client

An attack of this type exploits vulnerabilities in client/server communication channel authentication and data integrity. It leverages the implicit trust a server places in the client, or more importantly, that which the server believes is the client. An attacker executes this type of attack by communicating directly with the server where the server believes it is communicating only with a valid client. There are numerous variations of this type of attack.

CAPEC-57: Utilizing REST's Trust in the System Resource to Obtain Sensitive Data

This attack utilizes a REST(REpresentational State Transfer)-style applications' trust in the system resources and environment to obtain sensitive data once SSL is terminated.

CAPEC-593: Session Hijacking

This type of attack involves an adversary that exploits weaknesses in an application's use of sessions in performing authentication. The adversary is able to steal or manipulate an active session and use it to gain unathorized access to the application.

CAPEC-633: Token Impersonation

An adversary exploits a weakness in authentication to create an access token (or equivalent) that impersonates a different entity, and then associates a process/thread to that that impersonated token. This action causes a downstream user to make a decision or take action that is based on the assumed identity, and not the response that blocks the adversary.

CAPEC-650: Upload a Web Shell to a Web Server

By exploiting insufficient permissions, it is possible to upload a web shell to a web server in such a way that it can be executed remotely. This shell can have various capabilities, thereby acting as a "gateway" to the underlying web server. The shell might execute at the higher permission level of the web server, providing the ability the execute malicious code at elevated levels.

CAPEC-94: Adversary in the Middle (AiTM)

An adversary targets the communication between two components (typically client and server), in order to alter or obtain data from transactions. A general approach entails the adversary placing themself within the communication channel between the two components.